72249238701 has 6 divisors (see below), whose sum is σ = 104360011470. Its totient is φ = 48166159128.

The previous prime is 72249238687. The next prime is 72249238703. The reversal of 72249238701 is 10783294227.

It can be written as a sum of positive squares in only one way, i.e., 51635745225 + 20613493476 = 227235^2 + 143574^2 .

It is not a de Polignac number, because 72249238701 - 2⁶ = 72249238637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72249238703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4013846586 + ... + 4013846603.

It is an arithmetic number, because the mean of its divisors is an integer number (17393335245).

Almost surely, 2^72249238701 is an apocalyptic number.

It is an amenable number.

72249238701 is a deficient number, since it is larger than the sum of its proper divisors (32110772769).

72249238701 is a wasteful number, since it uses less digits than its factorization.

72249238701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027693195 (or 8027693192 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 72249238701 in words is "seventy-two billion, two hundred forty-nine million, two hundred thirty-eight thousand, seven hundred one".