7458664 has 8 divisors (see below), whose sum is σ = 13985010. Its totient is φ = 3729328.

The previous prime is 7458643. The next prime is 7458667. The reversal of 7458664 is 4668547.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 3090564 = 2090^2 + 1758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7458667) by changing a digit.

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 as a sum of consecutive naturals, namely, 466159 + ... + 466174.

Almost surely, 2^7458664 is an apocalyptic number.

It is an amenable number.

7458664 is a deficient number, since it is larger than the sum of its proper divisors (6526346).

7458664 is a wasteful number, since it uses less digits than its factorization.

7458664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932339 (or 932335 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 7458664 is about 2731.0554736219. The cubic root of 7458664 is about 195.3831083248.

It can be divided in two parts, 745 and 8664, that added together give a square (9409 = 97²).

The spelling of 7458664 in words is "seven million, four hundred fifty-eight thousand, six hundred sixty-four".