70189983 has 20 divisors (see below), whose sum is σ = 108237888. Its totient is φ = 45282240.

The previous prime is 70189949. The next prime is 70190027. The reversal of 70189983 is 38998107.

It is not a de Polignac number, because 70189983 - 2⁸ = 70189727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70189913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11466 + ... + 16487.

Almost surely, 2^70189983 is an apocalyptic number.

70189983 is a deficient number, since it is larger than the sum of its proper divisors (38047905).

70189983 is a wasteful number, since it uses less digits than its factorization.

70189983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27996 (or 27987 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 70189983 is about 8377.9462280442. The cubic root of 70189983 is about 412.5010380139.

The spelling of 70189983 in words is "seventy million, one hundred eighty-nine thousand, nine hundred eighty-three".