7629840432 has 30 divisors (see below), whose sum is σ = 21352956612. Its totient is φ = 2543280096.

The previous prime is 7629840401. The next prime is 7629840433. The reversal of 7629840432 is 2340489267.

It is not an unprimeable number, because it can be changed into a prime (7629840433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26492358 + ... + 26492645.

Almost surely, 2^7629840432 is an apocalyptic number.

7629840432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7629840432 is an abundant number, since it is smaller than the sum of its proper divisors (13723116180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7629840432 is a wasteful number, since it uses less digits than its factorization.

7629840432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52985017 (or 52985008 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 7629840432 is about 87348.9578186254. The cubic root of 7629840432 is about 1968.6649919093.

The spelling of 7629840432 in words is "seven billion, six hundred twenty-nine million, eight hundred forty thousand, four hundred thirty-two".