72540753373374 has 32 divisors (see below), whose sum is σ = 170445406529664. Its totient is φ = 20291119824480.

The previous prime is 72540753373303. The next prime is 72540753373447. The reversal of 72540753373374 is 47337335704527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42273165444 + ... + 42273167159.

It is an arithmetic number, because the mean of its divisors is an integer number (5326418954052).

Almost surely, 2^{72540753373374} is an apocalyptic number.

72540753373374 is an abundant number, since it is smaller than the sum of its proper divisors (97904653156290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72540753373374 is a wasteful number, since it uses less digits than its factorization.

72540753373374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84546332632.

The product of its (nonzero) digits is 155584800, while the sum is 60.

The spelling of 72540753373374 in words is "seventy-two trillion, five hundred forty billion, seven hundred fifty-three million, three hundred seventy-three thousand, three hundred seventy-four".