70231399 has 8 divisors (see below), whose sum is σ = 82853888. Its totient is φ = 58256280.

The previous prime is 70231393. The next prime is 70231409. The reversal of 70231399 is 99313207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70231399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70231393) 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, 161607 + ... + 162040.

It is an arithmetic number, because the mean of its divisors is an integer number (10356736).

Almost surely, 2^70231399 is an apocalyptic number.

70231399 is a deficient number, since it is larger than the sum of its proper divisors (12622489).

70231399 is a wasteful number, since it uses less digits than its factorization.

70231399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323685.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 70231399 is about 8380.4175910273. The cubic root of 70231399 is about 412.5821549253.

The spelling of 70231399 in words is "seventy million, two hundred thirty-one thousand, three hundred ninety-nine".