84037725 has 18 divisors (see below), whose sum is σ = 150521306. Its totient is φ = 44820000.

The previous prime is 84037721. The next prime is 84037753. The reversal of 84037725 is 52773048.

It can be written as a sum of positive squares in 3 ways, for example, as 95481 + 83942244 = 309^2 + 9162^2 .

It is not a de Polignac number, because 84037725 - 2² = 84037721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84037725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84037721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 186526 + ... + 186975.

Almost surely, 2^84037725 is an apocalyptic number.

It is an amenable number.

84037725 is a deficient number, since it is larger than the sum of its proper divisors (66483581).

84037725 is a wasteful number, since it uses less digits than its factorization.

84037725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373517 (or 373509 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 84037725 is about 9167.2092263676. The cubic root of 84037725 is about 438.0174666206.

The spelling of 84037725 in words is "eighty-four million, thirty-seven thousand, seven hundred twenty-five".