72735382070 has 64 divisors (see below), whose sum is σ = 142865372160. Its totient is φ = 26502173568.

The previous prime is 72735382063. The next prime is 72735382099. The reversal of 72735382070 is 7028353727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3005639 + ... + 3029741.

It is an arithmetic number, because the mean of its divisors is an integer number (2232271440).

Almost surely, 2^72735382070 is an apocalyptic number.

72735382070 is a deficient number, since it is larger than the sum of its proper divisors (70129990090).

72735382070 is a wasteful number, since it uses less digits than its factorization.

72735382070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24429.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 72735382070 in words is "seventy-two billion, seven hundred thirty-five million, three hundred eighty-two thousand, seventy".