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74233969 = 193907051
BaseRepresentation
bin1000110110010…
…11100001110001
312011200110212021
410123023201301
5123000441334
611211031441
71560656365
oct433134161
9164613767
1074233969
11389a3097
1220a3b581
13124c1a34
149c052a5
1567b53b4
hex46cb871

74233969 has 4 divisors (see below), whose sum is σ = 78141040. Its totient is φ = 70326900.

The previous prime is 74233961. The next prime is 74233981. The reversal of 74233969 is 96933247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74233969 - 23 = 74233961 is a prime.

It is a super-2 number, since 2×742339692 = 11021364306985922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74233961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953507 + ... + 1953544.

It is an arithmetic number, because the mean of its divisors is an integer number (19535260).

Almost surely, 274233969 is an apocalyptic number.

It is an amenable number.

74233969 is a deficient number, since it is larger than the sum of its proper divisors (3907071).

74233969 is a wasteful number, since it uses less digits than its factorization.

74233969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907070.

The product of its digits is 244944, while the sum is 43.

The square root of 74233969 is about 8615.9137066245. The cubic root of 74233969 is about 420.2756486046.

The spelling of 74233969 in words is "seventy-four million, two hundred thirty-three thousand, nine hundred sixty-nine".

Divisors: 1 19 3907051 74233969