70736772 has 36 divisors (see below), whose sum is σ = 174051920. Its totient is φ = 22297824.

The previous prime is 70736747. The next prime is 70736773. The reversal of 70736772 is 27763707.

It is a self number, because there is not a number n which added to its sum of digits gives 70736772.

It is not an unprimeable number, because it can be changed into a prime (70736773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126718 + ... + 127274.

Almost surely, 2^70736772 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 70736772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87025960).

70736772 is an abundant number, since it is smaller than the sum of its proper divisors (103315148).

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

70736772 is a wasteful number, since it uses less digits than its factorization.

70736772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 39.

The square root of 70736772 is about 8410.5155608916. The cubic root of 70736772 is about 413.5694139257.

The spelling of 70736772 in words is "seventy million, seven hundred thirty-six thousand, seven hundred seventy-two".