70920236772 has 384 divisors, whose sum is σ = 238355066880. Its totient is φ = 17700664320.

The previous prime is 70920236617. The next prime is 70920236837. The reversal of 70920236772 is 27763202907.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 25537048 + ... + 25539824.

It is an arithmetic number, because the mean of its divisors is an integer number (620716320).

Almost surely, 2^70920236772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70920236772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119177533440).

70920236772 is an abundant number, since it is smaller than the sum of its proper divisors (167434830108).

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

70920236772 is a wasteful number, since it uses less digits than its factorization.

70920236772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 70920236772 in words is "seventy billion, nine hundred twenty million, two hundred thirty-six thousand, seven hundred seventy-two".