70518045 has 32 divisors (see below), whose sum is σ = 123000192. Its totient is φ = 34290432.

The previous prime is 70518017. The next prime is 70518047. The reversal of 70518045 is 54081507.

It is not a de Polignac number, because 70518045 - 2⁷ = 70517917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70518047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14007 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (3843756).

Almost surely, 2^70518045 is an apocalyptic number.

It is an amenable number.

70518045 is a deficient number, since it is larger than the sum of its proper divisors (52482147).

70518045 is a wasteful number, since it uses less digits than its factorization.

70518045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 70518045 is about 8397.5023072340. The cubic root of 70518045 is about 413.1427042536.

The spelling of 70518045 in words is "seventy million, five hundred eighteen thousand, forty-five".