7611664 has 10 divisors (see below), whose sum is σ = 14747630. Its totient is φ = 3805824.

The previous prime is 7611661. The next prime is 7611673. The reversal of 7611664 is 4661167.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 810000 = 2608^2 + 900^2 .

It is not an unprimeable number, because it can be changed into a prime (7611661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237849 + ... + 237880.

It is an arithmetic number, because the mean of its divisors is an integer number (1474763).

Almost surely, 2^7611664 is an apocalyptic number.

It is an amenable number.

7611664 is a deficient number, since it is larger than the sum of its proper divisors (7135966).

7611664 is a wasteful number, since it uses less digits than its factorization.

7611664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475737 (or 475731 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 7611664 is about 2758.9244281060. The cubic root of 7611664 is about 196.7100443753.

The spelling of 7611664 in words is "seven million, six hundred eleven thousand, six hundred sixty-four".