64625626 has 16 divisors (see below), whose sum is σ = 105656544. Its totient is φ = 29466864.

The previous prime is 64625609. The next prime is 64625633. The reversal of 64625626 is 62652646.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12816 + ... + 17131.

It is an arithmetic number, because the mean of its divisors is an integer number (6603534).

Almost surely, 2^64625626 is an apocalyptic number.

64625626 is a deficient number, since it is larger than the sum of its proper divisors (41030918).

64625626 is a wasteful number, since it uses less digits than its factorization.

64625626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30045.

The product of its digits is 103680, while the sum is 37.

The square root of 64625626 is about 8039.0065306604. The cubic root of 64625626 is about 401.2991633681.

The spelling of 64625626 in words is "sixty-four million, six hundred twenty-five thousand, six hundred twenty-six".