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74290684 = 22131975193
BaseRepresentation
bin1000110110110…
…01010111111100
312011210100122211
410123121113330
5123004300214
611212150204
71561313626
oct433312774
9164710584
1074290684
1138a31766
1220a68364
13125117b0
149c1bc16
1567c70c4
hex46d95fc

74290684 has 24 divisors (see below), whose sum is σ = 147380240. Its totient is φ = 32482944.

The previous prime is 74290681. The next prime is 74290717. The reversal of 74290684 is 48609247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74290681) 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, 36609 + ... + 38584.

Almost surely, 274290684 is an apocalyptic number.

It is an amenable number.

74290684 is a deficient number, since it is larger than the sum of its proper divisors (73089556).

74290684 is a wasteful number, since it uses less digits than its factorization.

74290684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75229 (or 75227 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 74290684 is about 8619.2043716343. The cubic root of 74290684 is about 420.3826520248.

The spelling of 74290684 in words is "seventy-four million, two hundred ninety thousand, six hundred eighty-four".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 75193 150386 300772 977509 1428667 1955018 2857334 3910036 5714668 18572671 37145342 74290684