64702274 has 16 divisors (see below), whose sum is σ = 119450688. Its totient is φ = 25596432.

The previous prime is 64702271. The next prime is 64702283. The reversal of 64702274 is 47220746.

It is a self number, because there is not a number n which added to its sum of digits gives 64702274.

It is not an unprimeable number, because it can be changed into a prime (64702271) 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, 177572 + ... + 177935.

It is an arithmetic number, because the mean of its divisors is an integer number (7465668).

Almost surely, 2^64702274 is an apocalyptic number.

64702274 is a deficient number, since it is larger than the sum of its proper divisors (54748414).

64702274 is a wasteful number, since it uses less digits than its factorization.

64702274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355529.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 64702274 is about 8043.7723737063. The cubic root of 64702274 is about 401.4577517790.

The spelling of 64702274 in words is "sixty-four million, seven hundred two thousand, two hundred seventy-four".