72570355140 has 96 divisors (see below), whose sum is σ = 215201677824. Its totient is φ = 18209341440.

The previous prime is 72570355129. The next prime is 72570355141. The reversal of 72570355140 is 4155307527.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72570355141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7125732 + ... + 7135908.

It is an arithmetic number, because the mean of its divisors is an integer number (2241684144).

Almost surely, 2^72570355140 is an apocalyptic number.

It is an amenable number.

72570355140 is an abundant number, since it is smaller than the sum of its proper divisors (142631322684).

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

72570355140 is a wasteful number, since it uses less digits than its factorization.

72570355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17197 (or 17195 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 72570355140 in words is "seventy-two billion, five hundred seventy million, three hundred fifty-five thousand, one hundred forty".