64802738 has 32 divisors (see below), whose sum is σ = 130515840. Its totient is φ = 23304960.

The previous prime is 64802737. The next prime is 64802743. The reversal of 64802738 is 83720846.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64802737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14183 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (4078620).

Almost surely, 2^64802738 is an apocalyptic number.

64802738 is an abundant number, since it is smaller than the sum of its proper divisors (65713102).

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

64802738 is a wasteful number, since it uses less digits than its factorization.

64802738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32402.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 64802738 is about 8050.0147825951. The cubic root of 64802738 is about 401.6654270913.

The spelling of 64802738 in words is "sixty-four million, eight hundred two thousand, seven hundred thirty-eight".