84757725 has 72 divisors (see below), whose sum is σ = 168828480. Its totient is φ = 41670720.

The previous prime is 84757723. The next prime is 84757769. The reversal of 84757725 is 52775748.

It is not a de Polignac number, because 84757725 - 2¹ = 84757723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84757721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113704 + ... + 114446.

It is an arithmetic number, because the mean of its divisors is an integer number (2344840).

Almost surely, 2^84757725 is an apocalyptic number.

It is an amenable number.

84757725 is a deficient number, since it is larger than the sum of its proper divisors (84070755).

84757725 is a wasteful number, since it uses less digits than its factorization.

84757725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 764 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 84757725 is about 9206.3958746080. The cubic root of 84757725 is about 439.2648277653.

The spelling of 84757725 in words is "eighty-four million, seven hundred fifty-seven thousand, seven hundred twenty-five".