70190687 has 24 divisors (see below), whose sum is σ = 86681952. Its totient is φ = 56548800.

The previous prime is 70190669. The next prime is 70190699. The reversal of 70190687 is 78609107.

It is a happy number.

It is not a de Polignac number, because 70190687 - 2⁸ = 70190431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70190687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70190287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68237 + ... + 69257.

It is an arithmetic number, because the mean of its divisors is an integer number (3611748).

Almost surely, 2^70190687 is an apocalyptic number.

70190687 is a deficient number, since it is larger than the sum of its proper divisors (16491265).

70190687 is a wasteful number, since it uses less digits than its factorization.

With its successor (70190688) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1112).

With its successor (70190688) it forms an eRAP, since the sums of their prime factors are consecutive (1119 and 1120).

70190687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 70190687 is about 8377.9882430092. The cubic root of 70190687 is about 412.5024171269.

The spelling of 70190687 in words is "seventy million, one hundred ninety thousand, six hundred eighty-seven".