47461720 has 32 divisors (see below), whose sum is σ = 107075520. Its totient is φ = 18933760.

The previous prime is 47461717. The next prime is 47461741. The reversal of 47461720 is 2716474.

It is a super-2 number, since 2×47461720² = 4505229730716800, 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, 15864 + ... + 18616.

It is an arithmetic number, because the mean of its divisors is an integer number (3346110).

Almost surely, 2^47461720 is an apocalyptic number.

47461720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47461720 is an abundant number, since it is smaller than the sum of its proper divisors (59613800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47461720 is a wasteful number, since it uses less digits than its factorization.

47461720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3191 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 47461720 is about 6889.2466932169. The cubic root of 47461720 is about 362.0605089984.

The spelling of 47461720 in words is "forty-seven million, four hundred sixty-one thousand, seven hundred twenty".