7657964 has 24 divisors (see below), whose sum is σ = 14012880. Its totient is φ = 3658176.

The previous prime is 7657963. The next prime is 7657967. The reversal of 7657964 is 4697567.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7657963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8294 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (583870).

Almost surely, 2^7657964 is an apocalyptic number.

7657964 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7657964 is a deficient number, since it is larger than the sum of its proper divisors (6354916).

7657964 is a wasteful number, since it uses less digits than its factorization.

7657964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 7657964 is about 2767.3026578240. The cubic root of 7657964 is about 197.1080857049.

The spelling of 7657964 in words is "seven million, six hundred fifty-seven thousand, nine hundred sixty-four".