47420725 has 12 divisors (see below), whose sum is σ = 64147680. Its totient is φ = 34487600.

The previous prime is 47420699. The next prime is 47420749. The reversal of 47420725 is 52702474.

It is not a de Polignac number, because 47420725 - 2¹¹ = 47418677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85945 + ... + 86494.

It is an arithmetic number, because the mean of its divisors is an integer number (5345640).

Almost surely, 2^47420725 is an apocalyptic number.

It is an amenable number.

47420725 is a deficient number, since it is larger than the sum of its proper divisors (16726955).

47420725 is a wasteful number, since it uses less digits than its factorization.

47420725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172460 (or 172455 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47420725 is about 6886.2707614499. The cubic root of 47420725 is about 361.9562358701.

The spelling of 47420725 in words is "forty-seven million, four hundred twenty thousand, seven hundred twenty-five".