47992365 has 16 divisors (see below), whose sum is σ = 85320000. Its totient is φ = 25595856.

The previous prime is 47992363. The next prime is 47992381. The reversal of 47992365 is 56329974.

It is a happy number.

It is not a de Polignac number, because 47992365 - 2¹ = 47992363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47992365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47992363) 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, 177615 + ... + 177884.

It is an arithmetic number, because the mean of its divisors is an integer number (5332500).

Almost surely, 2^47992365 is an apocalyptic number.

47992365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47992365 is a deficient number, since it is larger than the sum of its proper divisors (37327635).

47992365 is a wasteful number, since it uses less digits than its factorization.

47992365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355513 (or 355507 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 47992365 is about 6927.6521996994. The cubic root of 47992365 is about 363.4048484951.

The spelling of 47992365 in words is "forty-seven million, nine hundred ninety-two thousand, three hundred sixty-five".