70243637492 has 24 divisors (see below), whose sum is σ = 148751233344. Its totient is φ = 28333567872.

The previous prime is 70243637411. The next prime is 70243637533. The reversal of 70243637492 is 29473634207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73784858 + ... + 73785809.

It is an arithmetic number, because the mean of its divisors is an integer number (6197968056).

Almost surely, 2^70243637492 is an apocalyptic number.

It is an amenable number.

70243637492 is an abundant number, since it is smaller than the sum of its proper divisors (78507595852).

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

70243637492 is a wasteful number, since it uses less digits than its factorization.

70243637492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147570695 (or 147570693 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 70243637492 in words is "seventy billion, two hundred forty-three million, six hundred thirty-seven thousand, four hundred ninety-two".