72703006727572 has 12 divisors (see below), whose sum is σ = 137017204986676. Its totient is φ = 33555233874240.

The previous prime is 72703006727557. The next prime is 72703006727587. The reversal of 72703006727572 is 27572760030727.

It is an interprime number because it is at equal distance from previous prime (72703006727557) and next prime (72703006727587).

It can be written as a sum of positive squares in 2 ways, for example, as 8232962830596 + 64470043896976 = 2869314^2 + 8029324^2 .

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, 699067372329 + ... + 699067372432.

Almost surely, 2^{72703006727572} is an apocalyptic number.

It is an amenable number.

72703006727572 is a deficient number, since it is larger than the sum of its proper divisors (64314198259104).

72703006727572 is a wasteful number, since it uses less digits than its factorization.

72703006727572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398134744778 (or 1398134744776 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 55.

The spelling of 72703006727572 in words is "seventy-two trillion, seven hundred three billion, six million, seven hundred twenty-seven thousand, five hundred seventy-two".