77245925 has 12 divisors (see below), whose sum is σ = 100826880. Its totient is φ = 58543920.

The previous prime is 77245919. The next prime is 77245951. The reversal of 77245925 is 52954277.

It is not a de Polignac number, because 77245925 - 2¹⁴ = 77229541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80837 + ... + 81786.

It is an arithmetic number, because the mean of its divisors is an integer number (8402240).

Almost surely, 2^77245925 is an apocalyptic number.

It is an amenable number.

77245925 is a deficient number, since it is larger than the sum of its proper divisors (23580955).

77245925 is a wasteful number, since it uses less digits than its factorization.

77245925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162652 (or 162647 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 77245925 is about 8788.9660939157. The cubic root of 77245925 is about 425.8845246019.

The spelling of 77245925 in words is "seventy-seven million, two hundred forty-five thousand, nine hundred twenty-five".