64377825 has 24 divisors (see below), whose sum is σ = 110112000. Its totient is φ = 33149760.

The previous prime is 64377823. The next prime is 64377829. The reversal of 64377825 is 52877346.

It is not a de Polignac number, because 64377825 - 2¹ = 64377823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64377823) 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, 12625 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (4588000).

Almost surely, 2^64377825 is an apocalyptic number.

It is an amenable number.

64377825 is a deficient number, since it is larger than the sum of its proper divisors (45734175).

64377825 is a wasteful number, since it uses less digits than its factorization.

64377825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29641 (or 29636 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 64377825 is about 8023.5793134984. The cubic root of 64377825 is about 400.7855915215.

The spelling of 64377825 in words is "sixty-four million, three hundred seventy-seven thousand, eight hundred twenty-five".