70974681 has 8 divisors (see below), whose sum is σ = 95260224. Its totient is φ = 47002800.

The previous prime is 70974679. The next prime is 70974707. The reversal of 70974681 is 18647907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70974681 - 2¹ = 70974679 is a prime.

It is a super-2 number, since 2×70974681² = 10074810686103522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70974181) 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, 77886 + ... + 78791.

It is an arithmetic number, because the mean of its divisors is an integer number (11907528).

Almost surely, 2^70974681 is an apocalyptic number.

It is an amenable number.

70974681 is a deficient number, since it is larger than the sum of its proper divisors (24285543).

70974681 is a wasteful number, since it uses less digits than its factorization.

70974681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156831.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 70974681 is about 8424.6472329706. The cubic root of 70974681 is about 414.0325477923.

The spelling of 70974681 in words is "seventy million, nine hundred seventy-four thousand, six hundred eighty-one".