64724958 has 24 divisors (see below), whose sum is σ = 140571288. Its totient is φ = 21523632.

The previous prime is 64724929. The next prime is 64724971. The reversal of 64724958 is 85942746.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3916 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (5857137).

Almost surely, 2^64724958 is an apocalyptic number.

64724958 is an abundant number, since it is smaller than the sum of its proper divisors (75846330).

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

64724958 is a wasteful number, since it uses less digits than its factorization.

64724958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568 (or 8565 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 64724958 is about 8045.1822850697. The cubic root of 64724958 is about 401.5046620499.

The spelling of 64724958 in words is "sixty-four million, seven hundred twenty-four thousand, nine hundred fifty-eight".