47472642 has 40 divisors (see below), whose sum is σ = 121573056. Its totient is φ = 13563288.

The previous prime is 47472631. The next prime is 47472671. The reversal of 47472642 is 24627474.

It is a happy number.

47472642 is a `hidden beast` number, since 4 + 7 + 4 + 7 + 2 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 47472597 and 47472606.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19798 + ... + 22065.

Almost surely, 2^47472642 is an apocalyptic number.

47472642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47472642 is an abundant number, since it is smaller than the sum of its proper divisors (74100414).

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

47472642 is a wasteful number, since it uses less digits than its factorization.

47472642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41884 (or 41875 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 47472642 is about 6890.0393322535. The cubic root of 47472642 is about 362.0882796002.

The spelling of 47472642 in words is "forty-seven million, four hundred seventy-two thousand, six hundred forty-two".