7639012 has 12 divisors (see below), whose sum is σ = 13551916. Its totient is φ = 3767040.

The previous prime is 7638991. The next prime is 7639031. The reversal of 7639012 is 2109367.

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 4562496 = 1754^2 + 2136^2 .

It is a super-2 number, since 2×7639012² = 116709008672288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12789 + ... + 13372.

Almost surely, 2^7639012 is an apocalyptic number.

It is an amenable number.

7639012 is a deficient number, since it is larger than the sum of its proper divisors (5912904).

7639012 is a wasteful number, since it uses less digits than its factorization.

7639012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26238 (or 26236 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7639012 is about 2763.8762635111. The cubic root of 7639012 is about 196.9453497475.

The spelling of 7639012 in words is "seven million, six hundred thirty-nine thousand, twelve".