47625440 has 24 divisors (see below), whose sum is σ = 112515480. Its totient is φ = 19050112.

The previous prime is 47625437. The next prime is 47625463. The reversal of 47625440 is 4452674.

47625440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 47625397 and 47625406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148670 + ... + 148989.

It is an arithmetic number, because the mean of its divisors is an integer number (4688145).

Almost surely, 2^47625440 is an apocalyptic number.

47625440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47625440 is an abundant number, since it is smaller than the sum of its proper divisors (64890040).

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

47625440 is a wasteful number, since it uses less digits than its factorization.

47625440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297674 (or 297666 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 47625440 is about 6901.1187498840. The cubic root of 47625440 is about 362.4763424910.

The spelling of 47625440 in words is "forty-seven million, six hundred twenty-five thousand, four hundred forty".