64626346 has 16 divisors (see below), whose sum is σ = 100055520. Its totient is φ = 31283280.

The previous prime is 64626337. The next prime is 64626349. The reversal of 64626346 is 64362646.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (64626349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13545 + ... + 17683.

It is an arithmetic number, because the mean of its divisors is an integer number (6253470).

Almost surely, 2^64626346 is an apocalyptic number.

64626346 is a deficient number, since it is larger than the sum of its proper divisors (35429174).

64626346 is a wasteful number, since it uses less digits than its factorization.

64626346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 124416, while the sum is 37.

The square root of 64626346 is about 8039.0513121885. The cubic root of 64626346 is about 401.3006536661.

The spelling of 64626346 in words is "sixty-four million, six hundred twenty-six thousand, three hundred forty-six".