7312243057 has 16 divisors (see below), whose sum is σ = 8637840000. Its totient is φ = 6060378240.

The previous prime is 7312243021. The next prime is 7312243153. The reversal of 7312243057 is 7503422137.

It is a de Polignac number, because none of the positive numbers 2^k-7312243057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7312243357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119932 + ... + 170317.

It is an arithmetic number, because the mean of its divisors is an integer number (539865000).

Almost surely, 2^7312243057 is an apocalyptic number.

It is an amenable number.

7312243057 is a deficient number, since it is larger than the sum of its proper divisors (1325596943).

7312243057 is a wasteful number, since it uses less digits than its factorization.

7312243057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290376.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 7312243057 is about 85511.6545097801. The cubic root of 7312243057 is about 1940.9612851197.

The spelling of 7312243057 in words is "seven billion, three hundred twelve million, two hundred forty-three thousand, fifty-seven".