7507918325 has 12 divisors (see below), whose sum is σ = 9401998308. Its totient is φ = 5946864000.

The previous prime is 7507918291. The next prime is 7507918331. The reversal of 7507918325 is 5238197057.

It can be written as a sum of positive squares in 6 ways, for example, as 1170803089 + 6337115236 = 34217^2 + 79606^2 .

It is not a de Polignac number, because 7507918325 - 2⁸ = 7507918069 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 7507918325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1484192 + ... + 1489241.

It is an arithmetic number, because the mean of its divisors is an integer number (783499859).

Almost surely, 2^7507918325 is an apocalyptic number.

It is an amenable number.

7507918325 is a deficient number, since it is larger than the sum of its proper divisors (1894079983).

7507918325 is a wasteful number, since it uses less digits than its factorization.

7507918325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973544 (or 2973539 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 7507918325 is about 86648.2447889165. The cubic root of 7507918325 is about 1958.1224492800.

The spelling of 7507918325 in words is "seven billion, five hundred seven million, nine hundred eighteen thousand, three hundred twenty-five".