84072575 has 24 divisors (see below), whose sum is σ = 107390448. Its totient is φ = 65262080.

The previous prime is 84072563. The next prime is 84072577. The reversal of 84072575 is 57527048.

It is not a de Polignac number, because 84072575 - 2⁴ = 84072559 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84072577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141479 + ... + 142071.

It is an arithmetic number, because the mean of its divisors is an integer number (4474602).

Almost surely, 2^84072575 is an apocalyptic number.

84072575 is a deficient number, since it is larger than the sum of its proper divisors (23317873).

84072575 is a wasteful number, since it uses less digits than its factorization.

84072575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 84072575 is about 9169.1098259318. The cubic root of 84072575 is about 438.0780060951.

The spelling of 84072575 in words is "eighty-four million, seventy-two thousand, five hundred seventy-five".