47515972 has 24 divisors (see below), whose sum is σ = 96239360. Its totient is φ = 20105280.

The previous prime is 47515957. The next prime is 47515973. The reversal of 47515972 is 27951574.

It is not an unprimeable number, because it can be changed into a prime (47515973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8529 + ... + 12952.

Almost surely, 2^47515972 is an apocalyptic number.

It is an amenable number.

47515972 is an abundant number, since it is smaller than the sum of its proper divisors (48723388).

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

47515972 is a wasteful number, since it uses less digits than its factorization.

47515972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571 (or 21569 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 47515972 is about 6893.1830093216. The cubic root of 47515972 is about 362.1984097968.

The spelling of 47515972 in words is "forty-seven million, five hundred fifteen thousand, nine hundred seventy-two".