70297238544 has 80 divisors (see below), whose sum is σ = 195690600000. Its totient is φ = 21616639488.

The previous prime is 70297238533. The next prime is 70297238551. The reversal of 70297238544 is 44583279207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007707 + ... + 1075205.

It is an arithmetic number, because the mean of its divisors is an integer number (2446132500).

Almost surely, 2^70297238544 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 70297238544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97845300000).

70297238544 is an abundant number, since it is smaller than the sum of its proper divisors (125393361456).

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

70297238544 is a wasteful number, since it uses less digits than its factorization.

70297238544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69192 (or 69186 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 70297238544 in words is "seventy billion, two hundred ninety-seven million, two hundred thirty-eight thousand, five hundred forty-four".