72058021420 has 96 divisors (see below), whose sum is σ = 193048644096. Its totient is φ = 21937305600.

The previous prime is 72058021403. The next prime is 72058021429. The reversal of 72058021420 is 2412085027.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72058021429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477861 + ... + 610300.

It is an arithmetic number, because the mean of its divisors is an integer number (2010923376).

Almost surely, 2^72058021420 is an apocalyptic number.

72058021420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72058021420 is an abundant number, since it is smaller than the sum of its proper divisors (120990622676).

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

72058021420 is a wasteful number, since it uses less digits than its factorization.

72058021420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088231 (or 1088229 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 72058021420 in words is "seventy-two billion, fifty-eight million, twenty-one thousand, four hundred twenty".