70340545 has 16 divisors (see below), whose sum is σ = 92368512. Its totient is φ = 50997760.

The previous prime is 70340539. The next prime is 70340609. The reversal of 70340545 is 54504307.

It is not a de Polignac number, because 70340545 - 2²³ = 61951937 is a prime.

It is a Duffinian 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, 17604 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (5773032).

Almost surely, 2^70340545 is an apocalyptic number.

It is an amenable number.

70340545 is a deficient number, since it is larger than the sum of its proper divisors (22027967).

70340545 is a wasteful number, since it uses less digits than its factorization.

70340545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 70340545 is about 8386.9270296098. The cubic root of 70340545 is about 412.7957744025.

The spelling of 70340545 in words is "seventy million, three hundred forty thousand, five hundred forty-five".