47972763 has 16 divisors (see below), whose sum is σ = 71529760. Its totient is φ = 31775328.

The previous prime is 47972761. The next prime is 47972773. The reversal of 47972763 is 36727974.

It is a happy number.

It is not a de Polignac number, because 47972763 - 2¹ = 47972761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47972761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (4470610).

Almost surely, 2^47972763 is an apocalyptic number.

47972763 is a deficient number, since it is larger than the sum of its proper divisors (23556997).

47972763 is a wasteful number, since it uses less digits than its factorization.

47972763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483 (or 11477 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 47972763 is about 6926.2372901887. The cubic root of 47972763 is about 363.3553654027.

The spelling of 47972763 in words is "forty-seven million, nine hundred seventy-two thousand, seven hundred sixty-three".