47525430 has 32 divisors (see below), whose sum is σ = 114242400. Its totient is φ = 12653312.

The previous prime is 47525419. The next prime is 47525431. The reversal of 47525430 is 3452574.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47525431) 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, 36226 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (3570075).

Almost surely, 2^47525430 is an apocalyptic number.

47525430 is an abundant number, since it is smaller than the sum of its proper divisors (66716970).

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

47525430 is a wasteful number, since it uses less digits than its factorization.

47525430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 47525430 is about 6893.8690152918. The cubic root of 47525430 is about 362.2224399292. Note that the first 3 decimals are identical.

The spelling of 47525430 in words is "forty-seven million, five hundred twenty-five thousand, four hundred thirty".