70874406540 has 144 divisors (see below), whose sum is σ = 256497948000. Its totient is φ = 16199858304.

The previous prime is 70874406527. The next prime is 70874406593. The reversal of 70874406540 is 4560447807.

70874406540 is a `hidden beast` number, since 70 + 87 + 440 + 65 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1312815 + ... + 1365734.

It is an arithmetic number, because the mean of its divisors is an integer number (1781235750).

Almost surely, 2^70874406540 is an apocalyptic number.

70874406540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70874406540 is an abundant number, since it is smaller than the sum of its proper divisors (185623541460).

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

70874406540 is a wasteful number, since it uses less digits than its factorization.

70874406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678581 (or 2678566 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 70874406540 in words is "seventy billion, eight hundred seventy-four million, four hundred six thousand, five hundred forty".