47299725 has 72 divisors (see below), whose sum is σ = 95752800. Its totient is φ = 22108800.

The previous prime is 47299717. The next prime is 47299739. The reversal of 47299725 is 52799274.

It is not a de Polignac number, because 47299725 - 2³ = 47299717 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71446 + ... + 72104.

It is an arithmetic number, because the mean of its divisors is an integer number (1329900).

Almost surely, 2^47299725 is an apocalyptic number.

47299725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47299725 is the 4350-th heptagonal number.

It is an amenable number.

47299725 is an abundant number, since it is smaller than the sum of its proper divisors (48453075).

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

47299725 is a wasteful number, since it uses less digits than its factorization.

47299725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 707 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 47299725 is about 6877.4795528595. The cubic root of 47299725 is about 361.6481145554.

The spelling of 47299725 in words is "forty-seven million, two hundred ninety-nine thousand, seven hundred twenty-five".