64392048 has 120 divisors (see below), whose sum is σ = 207986688. Its totient is φ = 18216576.

The previous prime is 64392047. The next prime is 64392049. The reversal of 64392048 is 84029346.

It is a happy number.

64392048 is a `hidden beast` number, since 643 + 9 + 2 + 0 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (64392047) and next prime (64392049).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64392043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127765 + ... + 128267.

Almost surely, 2^64392048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64392048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103993344).

64392048 is an abundant number, since it is smaller than the sum of its proper divisors (143594640).

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

64392048 is a wasteful number, since it uses less digits than its factorization.

64392048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 64392048 is about 8024.4655896826. The cubic root of 64392048 is about 400.8151045499.

The spelling of 64392048 in words is "sixty-four million, three hundred ninety-two thousand, forty-eight".