47687265 has 32 divisors (see below), whose sum is σ = 87077760. Its totient is φ = 24743232.

The previous prime is 47687219. The next prime is 47687267. The reversal of 47687265 is 56278674.

It is not a de Polignac number, because 47687265 - 2⁷ = 47687137 is a prime.

It is a super-3 number, since 3×47687265³ (a number of 24 digits) contains 333 as substring.

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 47687265.

It is not an unprimeable number, because it can be changed into a prime (47687267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (2721180).

Almost surely, 2^47687265 is an apocalyptic number.

47687265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47687265 is a deficient number, since it is larger than the sum of its proper divisors (39390495).

47687265 is a wasteful number, since it uses less digits than its factorization.

47687265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598 (or 9592 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 47687265 is about 6905.5966433032. The cubic root of 47687265 is about 362.6331243120.

The spelling of 47687265 in words is "forty-seven million, six hundred eighty-seven thousand, two hundred sixty-five".