7312432464 has 50 divisors (see below), whose sum is σ = 21164304810. Its totient is φ = 2437477056.

The previous prime is 7312432441. The next prime is 7312432469. The reversal of 7312432464 is 4642342137.

7312432464 is a `hidden beast` number, since 73 + 124 + 3 + 2 + 464 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5132289600 + 2180142864 = 71640^2 + 46692^2 .

It is a super-2 number, since 2×7312432464² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7312432469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2819859 + ... + 2822450.

Almost surely, 2^7312432464 is an apocalyptic number.

It is an amenable number.

7312432464 is an abundant number, since it is smaller than the sum of its proper divisors (13851872346).

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

7312432464 is a wasteful number, since it uses less digits than its factorization.

7312432464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642329 (or 5642314 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 7312432464 is about 85512.7619949210. The cubic root of 7312432464 is about 1940.9780437020.

The spelling of 7312432464 in words is "seven billion, three hundred twelve million, four hundred thirty-two thousand, four hundred sixty-four".