64369356 has 48 divisors (see below), whose sum is σ = 153435744. Its totient is φ = 20998656.

The previous prime is 64369351. The next prime is 64369373. The reversal of 64369356 is 65396346.

Its product of digits (349920) is a multiple of the sum of its prime divisors (648).

It is not an unprimeable number, because it can be changed into a prime (64369351) 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, 172386 + ... + 172758.

It is an arithmetic number, because the mean of its divisors is an integer number (3196578).

Almost surely, 2^64369356 is an apocalyptic number.

It is an amenable number.

64369356 is an abundant number, since it is smaller than the sum of its proper divisors (89066388).

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

64369356 is a wasteful number, since it uses less digits than its factorization.

64369356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 64369356 is about 8023.0515391589. The cubic root of 64369356 is about 400.7680161011.

The spelling of 64369356 in words is "sixty-four million, three hundred sixty-nine thousand, three hundred fifty-six".