64245792 has 48 divisors (see below), whose sum is σ = 181621440. Its totient is φ = 19767552.

The previous prime is 64245787. The next prime is 64245793. The reversal of 64245792 is 29754246.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 64245792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64245793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24492 + ... + 26987.

It is an arithmetic number, because the mean of its divisors is an integer number (3783780).

Almost surely, 2^64245792 is an apocalyptic number.

It is an amenable number.

64245792 is an abundant number, since it is smaller than the sum of its proper divisors (117375648).

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

64245792 is a wasteful number, since it uses less digits than its factorization.

64245792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505 (or 51497 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 64245792 is about 8015.3472788146. The cubic root of 64245792 is about 400.5114125311.

The spelling of 64245792 in words is "sixty-four million, two hundred forty-five thousand, seven hundred ninety-two".