70422545 has 16 divisors (see below), whose sum is σ = 87644160. Its totient is φ = 54264000.

The previous prime is 70422533. The next prime is 70422559. The reversal of 70422545 is 54522407.

It is a happy number.

It is not a de Polignac number, because 70422545 - 2¹² = 70418449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36095 + ... + 37995.

It is an arithmetic number, because the mean of its divisors is an integer number (5477760).

Almost surely, 2^70422545 is an apocalyptic number.

It is an amenable number.

70422545 is a deficient number, since it is larger than the sum of its proper divisors (17221615).

70422545 is a wasteful number, since it uses less digits than its factorization.

70422545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 70422545 is about 8391.8141661979. The cubic root of 70422545 is about 412.9561186662.

The spelling of 70422545 in words is "seventy million, four hundred twenty-two thousand, five hundred forty-five".