72154070574772 has 12 divisors (see below), whose sum is σ = 126293762258496. Its totient is φ = 36070138500920.

The previous prime is 72154070574757. The next prime is 72154070574779. The reversal of 72154070574772 is 27747507045127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72154070574779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724173078 + ... + 1724214925.

It is an arithmetic number, because the mean of its divisors is an integer number (10524480188208).

Almost surely, 2^{72154070574772} is an apocalyptic number.

It is an amenable number.

72154070574772 is a deficient number, since it is larger than the sum of its proper divisors (54139691683724).

72154070574772 is a wasteful number, since it uses less digits than its factorization.

72154070574772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448393238 (or 3448393236 counting only the distinct ones).

The product of its (nonzero) digits is 26891200, while the sum is 58.

The spelling of 72154070574772 in words is "seventy-two trillion, one hundred fifty-four billion, seventy million, five hundred seventy-four thousand, seven hundred seventy-two".