64396330 has 16 divisors (see below), whose sum is σ = 116049024. Its totient is φ = 25728400.

The previous prime is 64396291. The next prime is 64396351. The reversal of 64396330 is 3369346.

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, 6555 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (7253064).

Almost surely, 2^64396330 is an apocalyptic number.

64396330 is a deficient number, since it is larger than the sum of its proper divisors (51652694).

64396330 is a wasteful number, since it uses less digits than its factorization.

64396330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 34992, while the sum is 34.

The square root of 64396330 is about 8024.7323942920. The cubic root of 64396330 is about 400.8239889400.

It can be divided in two parts, 6439 and 6330, that added together give a square (12769 = 113²).

The spelling of 64396330 in words is "sixty-four million, three hundred ninety-six thousand, three hundred thirty".