64748732 has 12 divisors (see below), whose sum is σ = 119274120. Its totient is φ = 30670416.

The previous prime is 64748729. The next prime is 64748741. The reversal of 64748732 is 23784746.

It is a self number, because there is not a number n which added to its sum of digits gives 64748732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425903 + ... + 426054.

It is an arithmetic number, because the mean of its divisors is an integer number (9939510).

Almost surely, 2^64748732 is an apocalyptic number.

It is an amenable number.

64748732 is a deficient number, since it is larger than the sum of its proper divisors (54525388).

64748732 is a wasteful number, since it uses less digits than its factorization.

64748732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851980 (or 851978 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 64748732 is about 8046.6596796435. The cubic root of 64748732 is about 401.5538146678.

The spelling of 64748732 in words is "sixty-four million, seven hundred forty-eight thousand, seven hundred thirty-two".