72070861302 has 48 divisors (see below), whose sum is σ = 171334068048. Its totient is φ = 21713403840.

The previous prime is 72070861301. The next prime is 72070861309. The reversal of 72070861302 is 20316807027.

It is a super-2 number, since 2×72070861302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72070861301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017753 + ... + 1086260.

It is an arithmetic number, because the mean of its divisors is an integer number (3569459751).

Almost surely, 2^72070861302 is an apocalyptic number.

72070861302 is an abundant number, since it is smaller than the sum of its proper divisors (99263206746).

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

72070861302 is a wasteful number, since it uses less digits than its factorization.

72070861302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104205 (or 2104202 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 72070861302 in words is "seventy-two billion, seventy million, eight hundred sixty-one thousand, three hundred two".