70090307 has 4 divisors (see below), whose sum is σ = 80103216. Its totient is φ = 60077400.

The previous prime is 70090283. The next prime is 70090313. The reversal of 70090307 is 70309007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70309007 = 1423 ⋅49409.

It is a cyclic number.

It is not a de Polignac number, because 70090307 - 2¹⁴ = 70073923 is a prime.

It is a super-2 number, since 2×70090307² = 9825302270708498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70090807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006444 + ... + 5006457.

It is an arithmetic number, because the mean of its divisors is an integer number (20025804).

Almost surely, 2^70090307 is an apocalyptic number.

70090307 is a deficient number, since it is larger than the sum of its proper divisors (10012909).

70090307 is a wasteful number, since it uses less digits than its factorization.

70090307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012908.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 70090307 is about 8371.9954013365. The cubic root of 70090307 is about 412.3056828266.

The spelling of 70090307 in words is "seventy million, ninety thousand, three hundred seven".