7312633918 has 8 divisors (see below), whose sum is σ = 10969339320. Its totient is φ = 3656187480.

The previous prime is 7312633897. The next prime is 7312633921. The reversal of 7312633918 is 8193362137.

It is a happy number.

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

It is a super-2 number, since 2×7312633918² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39288 + ... + 127156.

It is an arithmetic number, because the mean of its divisors is an integer number (1371167415).

Almost surely, 2^7312633918 is an apocalyptic number.

7312633918 is a deficient number, since it is larger than the sum of its proper divisors (3656705402).

7312633918 is a wasteful number, since it uses less digits than its factorization.

7312633918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129482.

The product of its digits is 163296, while the sum is 43.

The square root of 7312633918 is about 85513.9399045559. The cubic root of 7312633918 is about 1940.9958678757.

The spelling of 7312633918 in words is "seven billion, three hundred twelve million, six hundred thirty-three thousand, nine hundred eighteen".