107215418 has 8 divisors (see below), whose sum is σ = 165169812. Its totient is φ = 52158816.

The previous prime is 107215393. The next prime is 107215421. The reversal of 107215418 is 814512701.

It can be written as a sum of positive squares in 2 ways, for example, as 101344489 + 5870929 = 10067^2 + 2423^2 .

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

It is a super-2 number, since 2×107215418² = 22990291713829448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724355 + ... + 724502.

Almost surely, 2^107215418 is an apocalyptic number.

107215418 is a deficient number, since it is larger than the sum of its proper divisors (57954394).

107215418 is a wasteful number, since it uses less digits than its factorization.

107215418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448896.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 107215418 is about 10354.4878192985. The cubic root of 107215418 is about 475.0643207450.

The spelling of 107215418 in words is "one hundred seven million, two hundred fifteen thousand, four hundred eighteen".