7656345312 has 96 divisors (see below), whose sum is σ = 25057154304. Its totient is φ = 1988659200.

The previous prime is 7656345269. The next prime is 7656345313. The reversal of 7656345312 is 2135436567.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656345313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510489 + ... + 525272.

It is an arithmetic number, because the mean of its divisors is an integer number (261012024).

Almost surely, 2^7656345312 is an apocalyptic number.

It is an amenable number.

7656345312 is an abundant number, since it is smaller than the sum of its proper divisors (17400808992).

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

7656345312 is a wasteful number, since it uses less digits than its factorization.

7656345312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035792 (or 1035784 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 7656345312 is about 87500.5446383050. The cubic root of 7656345312 is about 1970.9419694043.

The spelling of 7656345312 in words is "seven billion, six hundred fifty-six million, three hundred forty-five thousand, three hundred twelve".