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74076769 = 1317219717
BaseRepresentation
bin1000110101001…
…01001001100001
312011101111020001
410122211021201
5122430424034
611203420001
71556433154
oct432451141
9164344201
1074076769
11388a5a78
1220984601
1312468310
149ba3c9b
156783a14
hex46a5261

74076769 has 12 divisors (see below), whose sum is σ = 84747964. Its totient is φ = 64353024.

The previous prime is 74076757. The next prime is 74076781. The reversal of 74076769 is 96767047.

It is an interprime number because it is at equal distance from previous prime (74076757) and next prime (74076781).

It can be written as a sum of positive squares in 6 ways, for example, as 2030625 + 72046144 = 1425^2 + 8488^2 .

It is not a de Polignac number, because 74076769 - 221 = 71979617 is a prime.

It is a super-2 number, since 2×740767692 = 10974735410958722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74076719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6102 + ... + 13615.

Almost surely, 274076769 is an apocalyptic number.

It is an amenable number.

74076769 is a deficient number, since it is larger than the sum of its proper divisors (10671195).

74076769 is a wasteful number, since it uses less digits than its factorization.

74076769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19764 (or 19747 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 74076769 is about 8606.7862178632. The cubic root of 74076769 is about 419.9787763274.

The spelling of 74076769 in words is "seventy-four million, seventy-six thousand, seven hundred sixty-nine".

Divisors: 1 13 17 221 289 3757 19717 256321 335189 4357457 5698213 74076769