70031299 has 4 divisors (see below), whose sum is σ = 75418336. Its totient is φ = 64644264.

The previous prime is 70031293. The next prime is 70031327. The reversal of 70031299 is 99213007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70031299 - 2⁵ = 70031267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70031299.

It is not an unprimeable number, because it can be changed into a prime (70031293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693499 + ... + 2693524.

It is an arithmetic number, because the mean of its divisors is an integer number (18854584).

Almost surely, 2^70031299 is an apocalyptic number.

70031299 is a deficient number, since it is larger than the sum of its proper divisors (5387037).

70031299 is a wasteful number, since it uses less digits than its factorization.

70031299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387036.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 70031299 is about 8368.4705293142. The cubic root of 70031299 is about 412.1899456418.

The spelling of 70031299 in words is "seventy million, thirty-one thousand, two hundred ninety-nine".