70406618 has 8 divisors (see below), whose sum is σ = 106146612. Its totient is φ = 35024416.

The previous prime is 70406603. The next prime is 70406621. The reversal of 70406618 is 81660407.

It can be written as a sum of positive squares in 2 ways, for example, as 49182169 + 21224449 = 7013^2 + 4607^2 .

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

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, 88955 + ... + 89742.

Almost surely, 2^70406618 is an apocalyptic number.

70406618 is a deficient number, since it is larger than the sum of its proper divisors (35739994).

70406618 is a wasteful number, since it uses less digits than its factorization.

70406618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178896.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70406618 is about 8390.8651520567. The cubic root of 70406618 is about 412.9249844699.

The spelling of 70406618 in words is "seventy million, four hundred six thousand, six hundred eighteen".