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74669109 = 3231082161
BaseRepresentation
bin1000111001101…
…01110000110101
312012111120202120
410130311300311
5123103402414
611224230153
71564451124
oct434656065
9165446676
1074669109
1139170009
122100b359
1312614b08
149cb9abb
15684e2a9
hex4735c35

74669109 has 8 divisors (see below), whose sum is σ = 103887552. Its totient is φ = 47615040.

The previous prime is 74669093. The next prime is 74669123. The reversal of 74669109 is 90196647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74669109 - 24 = 74669093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74669009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541012 + ... + 541149.

It is an arithmetic number, because the mean of its divisors is an integer number (12985944).

Almost surely, 274669109 is an apocalyptic number.

It is an amenable number.

74669109 is a deficient number, since it is larger than the sum of its proper divisors (29218443).

74669109 is a wasteful number, since it uses less digits than its factorization.

74669109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082187.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 74669109 is about 8641.1289193022. The cubic root of 74669109 is about 421.0952310602.

The spelling of 74669109 in words is "seventy-four million, six hundred sixty-nine thousand, one hundred nine".

Divisors: 1 3 23 69 1082161 3246483 24889703 74669109