72570355142 has 32 divisors (see below), whose sum is σ = 113239383264. Its totient is φ = 34853068800.

The previous prime is 72570355141. The next prime is 72570355223. The reversal of 72570355142 is 24155307527.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 72570355142.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443417 + ... + 3464427.

It is an arithmetic number, because the mean of its divisors is an integer number (3538730727).

Almost surely, 2^72570355142 is an apocalyptic number.

72570355142 is a deficient number, since it is larger than the sum of its proper divisors (40669028122).

72570355142 is a wasteful number, since it uses less digits than its factorization.

72570355142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 72570355142 in words is "seventy-two billion, five hundred seventy million, three hundred fifty-five thousand, one hundred forty-two".