47464940 has 12 divisors (see below), whose sum is σ = 99676416. Its totient is φ = 18985968.

The previous prime is 47464933. The next prime is 47464943. The reversal of 47464940 is 4946474.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47464894 and 47464903.

It is not an unprimeable number, because it can be changed into a prime (47464943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186604 + ... + 1186643.

It is an arithmetic number, because the mean of its divisors is an integer number (8306368).

Almost surely, 2^47464940 is an apocalyptic number.

It is an amenable number.

47464940 is an abundant number, since it is smaller than the sum of its proper divisors (52211476).

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

47464940 is a wasteful number, since it uses less digits than its factorization.

47464940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373256 (or 2373254 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 47464940 is about 6889.4803867926. The cubic root of 47464940 is about 362.0686967090.

The spelling of 47464940 in words is "forty-seven million, four hundred sixty-four thousand, nine hundred forty".