7640831612 has 6 divisors (see below), whose sum is σ = 13371455328. Its totient is φ = 3820415804.

The previous prime is 7640831599. The next prime is 7640831623. The reversal of 7640831612 is 2161380467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955103948 + ... + 955103955.

It is an arithmetic number, because the mean of its divisors is an integer number (2228575888).

Almost surely, 2^7640831612 is an apocalyptic number.

It is an amenable number.

7640831612 is a deficient number, since it is larger than the sum of its proper divisors (5730623716).

7640831612 is a wasteful number, since it uses less digits than its factorization.

7640831612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910207907 (or 1910207905 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7640831612 is about 87411.8505238277. The cubic root of 7640831612 is about 1969.6098596117.

The spelling of 7640831612 in words is "seven billion, six hundred forty million, eight hundred thirty-one thousand, six hundred twelve".