70422393 has 8 divisors (see below), whose sum is σ = 94758400. Its totient is φ = 46517328.

The previous prime is 70422377. The next prime is 70422409. The reversal of 70422393 is 39322407.

It is an interprime number because it is at equal distance from previous prime (70422377) and next prime (70422409).

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

It is not a de Polignac number, because 70422393 - 2⁴ = 70422377 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 70422393.

It is not an unprimeable number, because it can be changed into a prime (70422893) 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, 107353 + ... + 108006.

It is an arithmetic number, because the mean of its divisors is an integer number (11844800).

Almost surely, 2^70422393 is an apocalyptic number.

It is an amenable number.

70422393 is a deficient number, since it is larger than the sum of its proper divisors (24336007).

70422393 is a wasteful number, since it uses less digits than its factorization.

70422393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215471.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70422393 is about 8391.8051097484. The cubic root of 70422393 is about 412.9558215578.

The spelling of 70422393 in words is "seventy million, four hundred twenty-two thousand, three hundred ninety-three".