64626316 has 48 divisors (see below), whose sum is σ = 124419456. Its totient is φ = 29251584.

The previous prime is 64626311. The next prime is 64626329. The reversal of 64626316 is 61362646.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (64626311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233170 + ... + 233446.

It is an arithmetic number, because the mean of its divisors is an integer number (2592072).

Almost surely, 2^64626316 is an apocalyptic number.

It is an amenable number.

64626316 is a deficient number, since it is larger than the sum of its proper divisors (59793140).

64626316 is a wasteful number, since it uses less digits than its factorization.

64626316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 64626316 is about 8039.0494462965. The cubic root of 64626316 is about 401.3005915706.

It can be divided in two parts, 646 and 26316, that added together give a palindrome (26962).

The spelling of 64626316 in words is "sixty-four million, six hundred twenty-six thousand, three hundred sixteen".