307690314722 has 54 divisors (see below), whose sum is σ = 542161269027. Its totient is φ = 130584682368.

The previous prime is 307690314689. The next prime is 307690314851. The reversal of 307690314722 is 227413096703.

It can be written as a sum of positive squares in 5 ways, for example, as 294329035441 + 13361279281 = 542521^2 + 115591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=392231.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 752298854 + ... + 752299262.

Almost surely, 2^307690314722 is an apocalyptic number.

307690314722 is a deficient number, since it is larger than the sum of its proper divisors (234470954305).

307690314722 is an frugal number, since it uses more digits than its factorization.

307690314722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 307690314722 in words is "three hundred seven billion, six hundred ninety million, three hundred fourteen thousand, seven hundred twenty-two".