47740618 has 8 divisors (see below), whose sum is σ = 72280512. Its totient is φ = 23647116.

The previous prime is 47740591. The next prime is 47740631. The reversal of 47740618 is 81604774.

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, 111330 + ... + 111757.

It is an arithmetic number, because the mean of its divisors is an integer number (9035064).

Almost surely, 2^47740618 is an apocalyptic number.

47740618 is a deficient number, since it is larger than the sum of its proper divisors (24539894).

47740618 is a wasteful number, since it uses less digits than its factorization.

47740618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223196.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 47740618 is about 6909.4585894989. The cubic root of 47740618 is about 362.7683131243.

The spelling of 47740618 in words is "forty-seven million, seven hundred forty thousand, six hundred eighteen".