7312457972 has 12 divisors (see below), whose sum is σ = 12861761220. Its totient is φ = 3637669056.

The previous prime is 7312457959. The next prime is 7312457983. The reversal of 7312457972 is 2797542137.

It can be written as a sum of positive squares in 2 ways, for example, as 7239287056 + 73170916 = 85084^2 + 8554^2 .

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, 4639097 + ... + 4640672.

It is an arithmetic number, because the mean of its divisors is an integer number (1071813435).

Almost surely, 2^7312457972 is an apocalyptic number.

It is an amenable number.

7312457972 is a deficient number, since it is larger than the sum of its proper divisors (5549303248).

7312457972 is a wasteful number, since it uses less digits than its factorization.

7312457972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279970 (or 9279968 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The square root of 7312457972 is about 85512.9111421194. The cubic root of 7312457972 is about 1940.9803006076.

The spelling of 7312457972 in words is "seven billion, three hundred twelve million, four hundred fifty-seven thousand, nine hundred seventy-two".