749129432 has 32 divisors (see below), whose sum is σ = 1421830800. Its totient is φ = 369997824.

The previous prime is 749129399. The next prime is 749129441. The reversal of 749129432 is 234921947.

It is a super-2 number, since 2×749129432² = 1122389811777285248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749129432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303419 + ... + 305877.

Almost surely, 2^749129432 is an apocalyptic number.

It is an amenable number.

749129432 is a deficient number, since it is larger than the sum of its proper divisors (672701368).

749129432 is a wasteful number, since it uses less digits than its factorization.

749129432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2911 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 749129432 is about 27370.2289358346. The cubic root of 749129432 is about 908.2086209687.

The spelling of 749129432 in words is "seven hundred forty-nine million, one hundred twenty-nine thousand, four hundred thirty-two".