70649792892 has 288 divisors, whose sum is σ = 216861926400. Its totient is φ = 19829505024.

The previous prime is 70649792861. The next prime is 70649792897. The reversal of 70649792892 is 29829794607.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70649792897) 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 95 ways as a sum of consecutive naturals, for example, 104977068 + ... + 104977740.

It is an arithmetic number, because the mean of its divisors is an integer number (752992800).

Almost surely, 2^70649792892 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 70649792892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108430963200).

70649792892 is an abundant number, since it is smaller than the sum of its proper divisors (146212133508).

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

70649792892 is a wasteful number, since it uses less digits than its factorization.

70649792892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 70649792892 in words is "seventy billion, six hundred forty-nine million, seven hundred ninety-two thousand, eight hundred ninety-two".