64713236 has 12 divisors (see below), whose sum is σ = 129426528. Its totient is φ = 27734232.

The previous prime is 64713217. The next prime is 64713247. The reversal of 64713236 is 63231746.

64713236 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155566 + ... + 1155621.

It is an arithmetic number, because the mean of its divisors is an integer number (10785544).

Almost surely, 2^64713236 is an apocalyptic number.

It is an amenable number.

64713236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64713236 is a wasteful number, since it uses less digits than its factorization.

64713236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311198 (or 2311196 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 64713236 is about 8044.4537415539. The cubic root of 64713236 is about 401.4804224473.

It can be divided in two parts, 6471 and 3236, that multiplied together give a triangular number (20940156 = T₆₄₇₁).

The spelling of 64713236 in words is "sixty-four million, seven hundred thirteen thousand, two hundred thirty-six".