70418513 has 16 divisors (see below), whose sum is σ = 78198912. Its totient is φ = 62880000.

The previous prime is 70418489. The next prime is 70418521. The reversal of 70418513 is 31581407.

It is a cyclic number.

It is not a de Polignac number, because 70418513 - 2⁶ = 70418449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70418713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267620 + ... + 267882.

It is an arithmetic number, because the mean of its divisors is an integer number (4887432).

Almost surely, 2^70418513 is an apocalyptic number.

It is an amenable number.

70418513 is a deficient number, since it is larger than the sum of its proper divisors (7780399).

70418513 is a wasteful number, since it uses less digits than its factorization.

70418513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 70418513 is about 8391.5739286501. The cubic root of 70418513 is about 412.9482373319.

The spelling of 70418513 in words is "seventy million, four hundred eighteen thousand, five hundred thirteen".