70089399 has 12 divisors (see below), whose sum is σ = 101848656. Its totient is φ = 46445472.

The previous prime is 70089391. The next prime is 70089401. The reversal of 70089399 is 99398007.

It is a happy number.

It is not a de Polignac number, because 70089399 - 2³ = 70089391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70089391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21814 + ... + 24819.

It is an arithmetic number, because the mean of its divisors is an integer number (8487388).

Almost surely, 2^70089399 is an apocalyptic number.

70089399 is a deficient number, since it is larger than the sum of its proper divisors (31759257).

70089399 is a wasteful number, since it uses less digits than its factorization.

70089399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46806 (or 46803 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 70089399 is about 8371.9411727508. The cubic root of 70089399 is about 412.3039023846.

The spelling of 70089399 in words is "seventy million, eighty-nine thousand, three hundred ninety-nine".