70898455920 has 160 divisors (see below), whose sum is σ = 231524467200. Its totient is φ = 17897905152.

The previous prime is 70898455907. The next prime is 70898455933. The reversal of 70898455920 is 2955489807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70898455907) and next prime (70898455933).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 7104054 + ... + 7114026.

It is an arithmetic number, because the mean of its divisors is an integer number (1447027920).

Almost surely, 2^70898455920 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 70898455920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115762233600).

70898455920 is an abundant number, since it is smaller than the sum of its proper divisors (160626011280).

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

70898455920 is a wasteful number, since it uses less digits than its factorization.

70898455920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 70898455920 in words is "seventy billion, eight hundred ninety-eight million, four hundred fifty-five thousand, nine hundred twenty".