70312491444 has 96 divisors (see below), whose sum is σ = 178605423360. Its totient is φ = 21399671808.

The previous prime is 70312491439. The next prime is 70312491511. The reversal of 70312491444 is 44419421307.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 17624602 + ... + 17628590.

It is an arithmetic number, because the mean of its divisors is an integer number (1860473160).

Almost surely, 2^70312491444 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 70312491444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89302711680).

70312491444 is an abundant number, since it is smaller than the sum of its proper divisors (108292931916).

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

70312491444 is a wasteful number, since it uses less digits than its factorization.

70312491444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5207 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 70312491444 in words is "seventy billion, three hundred twelve million, four hundred ninety-one thousand, four hundred forty-four".