70986994 has 16 divisors (see below), whose sum is σ = 115053120. Its totient is φ = 32654160.

The previous prime is 70986991. The next prime is 70986997. The reversal of 70986994 is 49968907.

It is an interprime number because it is at equal distance from previous prime (70986991) and next prime (70986997).

It is not an unprimeable number, because it can be changed into a prime (70986991) 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, 3697 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (7190820).

Almost surely, 2^70986994 is an apocalyptic number.

70986994 is a deficient number, since it is larger than the sum of its proper divisors (44066126).

70986994 is a wasteful number, since it uses less digits than its factorization.

70986994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 70986994 is about 8425.3779737173. The cubic root of 70986994 is about 414.0564891374.

The spelling of 70986994 in words is "seventy million, nine hundred eighty-six thousand, nine hundred ninety-four".