7126664 has 8 divisors (see below), whose sum is σ = 13362510. Its totient is φ = 3563328.

The previous prime is 7126649. The next prime is 7126699. The reversal of 7126664 is 4666217.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 209764 = 2630^2 + 458^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 7126664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445409 + ... + 445424.

Almost surely, 2^7126664 is an apocalyptic number.

It is an amenable number.

7126664 is a deficient number, since it is larger than the sum of its proper divisors (6235846).

7126664 is a wasteful number, since it uses less digits than its factorization.

7126664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890839 (or 890835 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 7126664 is about 2669.5812405694. The cubic root of 7126664 is about 192.4400352946.

The spelling of 7126664 in words is "seven million, one hundred twenty-six thousand, six hundred sixty-four".