70537679140 has 24 divisors (see below), whose sum is σ = 148158122112. Its totient is φ = 28209548640.

The previous prime is 70537679123. The next prime is 70537679141. The reversal of 70537679140 is 4197673507.

It is a super-2 number, since 2×70537679140² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70537679141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239676 + ... + 445555.

It is an arithmetic number, because the mean of its divisors is an integer number (6173255088).

Almost surely, 2^70537679140 is an apocalyptic number.

It is an amenable number.

70537679140 is an abundant number, since it is smaller than the sum of its proper divisors (77620442972).

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

70537679140 is a wasteful number, since it uses less digits than its factorization.

70537679140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690387 (or 690385 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 70537679140 in words is "seventy billion, five hundred thirty-seven million, six hundred seventy-nine thousand, one hundred forty".