72074735020 has 24 divisors (see below), whose sum is σ = 151403637168. Its totient is φ = 28821000000.

The previous prime is 72074735017. The next prime is 72074735021. The reversal of 72074735020 is 2053747027.

It is not an unprimeable number, because it can be changed into a prime (72074735021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489231 + ... + 619270.

It is an arithmetic number, because the mean of its divisors is an integer number (6308484882).

Almost surely, 2^72074735020 is an apocalyptic number.

It is an amenable number.

72074735020 is an abundant number, since it is smaller than the sum of its proper divisors (79328902148).

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

72074735020 is a wasteful number, since it uses less digits than its factorization.

72074735020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111761 (or 1111759 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The spelling of 72074735020 in words is "seventy-two billion, seventy-four million, seven hundred thirty-five thousand, twenty".