70249291904 has 128 divisors (see below), whose sum is σ = 158532724800. Its totient is φ = 30714163200.

The previous prime is 70249291877. The next prime is 70249291927. The reversal of 70249291904 is 40919294207.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11307359 + ... + 11313569.

Almost surely, 2^70249291904 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 70249291904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79266362400).

70249291904 is an abundant number, since it is smaller than the sum of its proper divisors (88283432896).

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

70249291904 is a wasteful number, since it uses less digits than its factorization.

70249291904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542 (or 6530 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 70249291904 in words is "seventy billion, two hundred forty-nine million, two hundred ninety-one thousand, nine hundred four".