72070746302102 has 4 divisors (see below), whose sum is σ = 108106119453156. Its totient is φ = 36035373151050.

The previous prime is 72070746302069. The next prime is 72070746302111. The reversal of 72070746302102 is 20120364707027.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72070746302102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18017686575524 + ... + 18017686575527.

It is an arithmetic number, because the mean of its divisors is an integer number (27026529863289).

Almost surely, 2^{72070746302102} is an apocalyptic number.

72070746302102 is a deficient number, since it is larger than the sum of its proper divisors (36035373151054).

72070746302102 is a wasteful number, since it uses less digits than its factorization.

72070746302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36035373151053.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 72070746302102 in words is "seventy-two trillion, seventy billion, seven hundred forty-six million, three hundred two thousand, one hundred two".