731370022436 has 12 divisors (see below), whose sum is σ = 1286968797660. Its totient is φ = 363664651680.

The previous prime is 731370022337. The next prime is 731370022529. The reversal of 731370022436 is 634220073137.

It can be written as a sum of positive squares in 2 ways, for example, as 102140324836 + 629229697600 = 319594^2 + 793240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 731370022436.

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, 505089071 + ... + 505090518.

It is an arithmetic number, because the mean of its divisors is an integer number (107247399805).

Almost surely, 2^731370022436 is an apocalyptic number.

It is an amenable number.

731370022436 is a deficient number, since it is larger than the sum of its proper divisors (555598775224).

731370022436 is a wasteful number, since it uses less digits than its factorization.

731370022436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010179774 (or 1010179772 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 731370022436 in words is "seven hundred thirty-one billion, three hundred seventy million, twenty-two thousand, four hundred thirty-six".