7640069924 has 12 divisors (see below), whose sum is σ = 13379528064. Its totient is φ = 3817347624.

The previous prime is 7640069881. The next prime is 7640069951. The reversal of 7640069924 is 4299600467.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665432 + ... + 676815.

It is an arithmetic number, because the mean of its divisors is an integer number (1114960672).

Almost surely, 2^7640069924 is an apocalyptic number.

It is an amenable number.

7640069924 is a deficient number, since it is larger than the sum of its proper divisors (5739458140).

7640069924 is a wasteful number, since it uses less digits than its factorization.

7640069924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343674 (or 1343672 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 7640069924 is about 87407.4935231528. The cubic root of 7640069924 is about 1969.5444095785.

The spelling of 7640069924 in words is "seven billion, six hundred forty million, sixty-nine thousand, nine hundred twenty-four".