7900539 has 8 divisors (see below), whose sum is σ = 10554192. Its totient is φ = 5256960.

The previous prime is 7900531. The next prime is 7900547. The reversal of 7900539 is 9350097.

It is an interprime number because it is at equal distance from previous prime (7900531) and next prime (7900547).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7900539 - 2³ = 7900531 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7900531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (1319274).

Almost surely, 2^7900539 is an apocalyptic number.

7900539 is a deficient number, since it is larger than the sum of its proper divisors (2653653).

7900539 is a wasteful number, since it uses less digits than its factorization.

7900539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 7900539 is about 2810.7897466726. The cubic root of 7900539 is about 199.1676995175.

The spelling of 7900539 in words is "seven million, nine hundred thousand, five hundred thirty-nine".