75979725 has 12 divisors (see below), whose sum is σ = 125619936. Its totient is φ = 40522480.

The previous prime is 75979723. The next prime is 75979733. The reversal of 75979725 is 52797957.

It is not a de Polignac number, because 75979725 - 2¹ = 75979723 is a prime.

It is a super-2 number, since 2×75979725² = 11545837222151250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75979721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506457 + ... + 506606.

It is an arithmetic number, because the mean of its divisors is an integer number (10468328).

Almost surely, 2^75979725 is an apocalyptic number.

75979725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75979725 is a deficient number, since it is larger than the sum of its proper divisors (49640211).

75979725 is a wasteful number, since it uses less digits than its factorization.

75979725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013076 (or 1013071 counting only the distinct ones).

The product of its digits is 1389150, while the sum is 51.

The square root of 75979725 is about 8716.6349585147. The cubic root of 75979725 is about 423.5446878284.

The spelling of 75979725 in words is "seventy-five million, nine hundred seventy-nine thousand, seven hundred twenty-five".