64772246 has 16 divisors (see below), whose sum is σ = 121132800. Its totient is φ = 25235880.

The previous prime is 64772231. The next prime is 64772249. The reversal of 64772246 is 64227746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64772249) 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, 210146 + ... + 210453.

It is an arithmetic number, because the mean of its divisors is an integer number (7570800).

Almost surely, 2^64772246 is an apocalyptic number.

64772246 is a deficient number, since it is larger than the sum of its proper divisors (56360554).

64772246 is a wasteful number, since it uses less digits than its factorization.

64772246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420619.

The product of its digits is 112896, while the sum is 38.

The square root of 64772246 is about 8048.1206501891. The cubic root of 64772246 is about 401.6024179034.

The spelling of 64772246 in words is "sixty-four million, seven hundred seventy-two thousand, two hundred forty-six".