7312001136 has 80 divisors (see below), whose sum is σ = 20619930240. Its totient is φ = 2214319360.

The previous prime is 7312001119. The next prime is 7312001143. The reversal of 7312001136 is 6311002137.

It is a super-2 number, since 2×7312001136² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038235 + ... + 1045253.

It is an arithmetic number, because the mean of its divisors is an integer number (257749128).

Almost surely, 2^7312001136 is an apocalyptic number.

It is an amenable number.

7312001136 is an abundant number, since it is smaller than the sum of its proper divisors (13307929104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7312001136 is a wasteful number, since it uses less digits than its factorization.

7312001136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 7312001136 is about 85510.2399482074. The cubic root of 7312001136 is about 1940.9398797192.

It can be divided in two parts, 7312001 and 136, that added together give a palindrome (7312137).

The spelling of 7312001136 in words is "seven billion, three hundred twelve million, one thousand, one hundred thirty-six".