47972152 has 8 divisors (see below), whose sum is σ = 89947800. Its totient is φ = 23986072.

The previous prime is 47972129. The next prime is 47972153. The reversal of 47972152 is 25127974.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×47972152² = 4602654735022208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47972153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998252 + ... + 2998267.

It is an arithmetic number, because the mean of its divisors is an integer number (11243475).

Almost surely, 2^47972152 is an apocalyptic number.

It is an amenable number.

47972152 is a deficient number, since it is larger than the sum of its proper divisors (41975648).

47972152 is a wasteful number, since it uses less digits than its factorization.

47972152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996525 (or 5996521 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 47972152 is about 6926.1931824055. The cubic root of 47972152 is about 363.3538227838.

The spelling of 47972152 in words is "forty-seven million, nine hundred seventy-two thousand, one hundred fifty-two".