64380948 has 12 divisors (see below), whose sum is σ = 150222240. Its totient is φ = 21460312.

The previous prime is 64380931. The next prime is 64380983. The reversal of 64380948 is 84908346.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682528 + ... + 2682551.

It is an arithmetic number, because the mean of its divisors is an integer number (12518520).

Almost surely, 2^64380948 is an apocalyptic number.

It is an amenable number.

64380948 is an abundant number, since it is smaller than the sum of its proper divisors (85841292).

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

64380948 is a wasteful number, since it uses less digits than its factorization.

64380948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365086 (or 5365084 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 64380948 is about 8023.7739250305. The cubic root of 64380948 is about 400.7920721855.

The spelling of 64380948 in words is "sixty-four million, three hundred eighty thousand, nine hundred forty-eight".