64270374 has 32 divisors (see below), whose sum is σ = 147204096. Its totient is φ = 18325440.

The previous prime is 64270373. The next prime is 64270379. The reversal of 64270374 is 47307246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64270373) 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, 24234 + ... + 26754.

It is an arithmetic number, because the mean of its divisors is an integer number (4600128).

Almost surely, 2^64270374 is an apocalyptic number.

64270374 is an abundant number, since it is smaller than the sum of its proper divisors (82933722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64270374 is a wasteful number, since it uses less digits than its factorization.

64270374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 64270374 is about 8016.8805654070. The cubic root of 64270374 is about 400.5624878145.

The spelling of 64270374 in words is "sixty-four million, two hundred seventy thousand, three hundred seventy-four".