77352725 has 12 divisors (see below), whose sum is σ = 97270560. Its totient is φ = 61009200.

The previous prime is 77352713. The next prime is 77352727. The reversal of 77352725 is 52725377.

It is not a de Polignac number, because 77352725 - 2⁸ = 77352469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77352727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20015 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (8105880).

Almost surely, 2^77352725 is an apocalyptic number.

It is an amenable number.

77352725 is a deficient number, since it is larger than the sum of its proper divisors (19917835).

77352725 is a wasteful number, since it uses less digits than its factorization.

77352725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43660 (or 43655 counting only the distinct ones).

The product of its digits is 102900, while the sum is 38.

The square root of 77352725 is about 8795.0397952482. The cubic root of 77352725 is about 426.0807097991.

The spelling of 77352725 in words is "seventy-seven million, three hundred fifty-two thousand, seven hundred twenty-five".