70589618 has 16 divisors (see below), whose sum is σ = 118329120. Its totient is φ = 31303200.

The previous prime is 70589609. The next prime is 70589653. The reversal of 70589618 is 81698507.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38228 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (7395570).

Almost surely, 2^70589618 is an apocalyptic number.

70589618 is a deficient number, since it is larger than the sum of its proper divisors (47739502).

70589618 is a wasteful number, since it uses less digits than its factorization.

70589618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78313.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 70589618 is about 8401.7627912242. The cubic root of 70589618 is about 413.2824314413.

Subtracting 70589618 from its reverse (81698507), we obtain a square (11108889 = 3333²).

The spelling of 70589618 in words is "seventy million, five hundred eighty-nine thousand, six hundred eighteen".