70990914 has 16 divisors (see below), whose sum is σ = 143004960. Its totient is φ = 23493120.

The previous prime is 70990879. The next prime is 70990919. The reversal of 70990914 is 41909907.

It is not an unprimeable number, because it can be changed into a prime (70990919) 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, 41727 + ... + 43394.

It is an arithmetic number, because the mean of its divisors is an integer number (8937810).

Almost surely, 2^70990914 is an apocalyptic number.

70990914 is an abundant number, since it is smaller than the sum of its proper divisors (72014046).

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

70990914 is a wasteful number, since it uses less digits than its factorization.

70990914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85265.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 70990914 is about 8425.6106010188. The cubic root of 70990914 is about 414.0641105878.

The spelling of 70990914 in words is "seventy million, nine hundred ninety thousand, nine hundred fourteen".