7640293212 has 36 divisors (see below), whose sum is σ = 19500477360. Its totient is φ = 2522037312.

The previous prime is 7640293189. The next prime is 7640293229. The reversal of 7640293212 is 2123920467.

7640293212 is a `hidden beast` number, since 7 + 640 + 2 + 9 + 3 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026537 + ... + 1033952.

Almost surely, 2^7640293212 is an apocalyptic number.

It is an amenable number.

7640293212 is an abundant number, since it is smaller than the sum of its proper divisors (11860184148).

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

7640293212 is a wasteful number, since it uses less digits than its factorization.

7640293212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060602 (or 2060597 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7640293212 is about 87408.7707956130. The cubic root of 7640293212 is about 1969.5635966345.

The spelling of 7640293212 in words is "seven billion, six hundred forty million, two hundred ninety-three thousand, two hundred twelve".