47873720 has 16 divisors (see below), whose sum is σ = 107715960. Its totient is φ = 19149472.

The previous prime is 47873699. The next prime is 47873731. The reversal of 47873720 is 2737874.

It is a congruent number.

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, 598382 + ... + 598461.

Almost surely, 2^47873720 is an apocalyptic number.

47873720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47873720 is an abundant number, since it is smaller than the sum of its proper divisors (59842240).

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

47873720 is a wasteful number, since it uses less digits than its factorization.

47873720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196854 (or 1196850 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 47873720 is about 6919.0837543709. The cubic root of 47873720 is about 363.1051359109.

The spelling of 47873720 in words is "forty-seven million, eight hundred seventy-three thousand, seven hundred twenty".