70137031680 has 1232 divisors, whose sum is σ = 283519653120. Its totient is φ = 16554295296.

The previous prime is 70137031567. The next prime is 70137031681. The reversal of 70137031680 is 8613073107.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70137031681) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 1631093739 + ... + 1631093781.

Almost surely, 2^70137031680 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 70137031680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141759826560).

70137031680 is an abundant number, since it is smaller than the sum of its proper divisors (213382621440).

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

70137031680 is a wasteful number, since it uses less digits than its factorization.

70137031680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 70137031680 in words is "seventy billion, one hundred thirty-seven million, thirty-one thousand, six hundred eighty".