70492778496 has 520 divisors, whose sum is σ = 243575439360. Its totient is φ = 19898597376.

The previous prime is 70492778441. The next prime is 70492778509. The reversal of 70492778496 is 69487729407.

70492778496 is a `hidden beast` number, since 70 + 4 + 9 + 2 + 7 + 78 + 496 = 666.

It is a super-2 number, since 2×70492778496² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 294948745 + ... + 294948983.

Almost surely, 2^70492778496 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 70492778496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121787719680).

70492778496 is an abundant number, since it is smaller than the sum of its proper divisors (173082660864).

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

70492778496 is a wasteful number, since it uses less digits than its factorization.

70492778496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 70492778496 in words is "seventy billion, four hundred ninety-two million, seven hundred seventy-eight thousand, four hundred ninety-six".