80973725 has 60 divisors (see below), whose sum is σ = 125036640. Its totient is φ = 51861600.

The previous prime is 80973719. The next prime is 80973727. The reversal of 80973725 is 52737908.

It is not a de Polignac number, because 80973725 - 2⁶ = 80973661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80973727) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1140440 + ... + 1140510.

It is an arithmetic number, because the mean of its divisors is an integer number (2083944).

Almost surely, 2^80973725 is an apocalyptic number.

It is an amenable number.

80973725 is a deficient number, since it is larger than the sum of its proper divisors (44062915).

80973725 is an equidigital number, since it uses as much as digits as its factorization.

80973725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 80973725 is about 8998.5401593814. The cubic root of 80973725 is about 432.6280819494.

The spelling of 80973725 in words is "eighty million, nine hundred seventy-three thousand, seven hundred twenty-five".