47942686 has 16 divisors (see below), whose sum is σ = 83067120. Its totient is φ = 20510080.

The previous prime is 47942659. The next prime is 47942707. The reversal of 47942686 is 68624974.

It is a happy number.

It is a super-2 number, since 2×47942686² = 4597002281789192, which contains 22 as substring.

It is a congruent number.

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, 63721 + ... + 64468.

It is an arithmetic number, because the mean of its divisors is an integer number (5191695).

Almost surely, 2^47942686 is an apocalyptic number.

47942686 is a deficient number, since it is larger than the sum of its proper divisors (35124434).

47942686 is a wasteful number, since it uses less digits than its factorization.

47942686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128219.

The product of its digits is 580608, while the sum is 46.

The square root of 47942686 is about 6924.0657131486. The cubic root of 47942686 is about 363.2794131096.

The spelling of 47942686 in words is "forty-seven million, nine hundred forty-two thousand, six hundred eighty-six".