4047725 has 24 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 2864000.

The previous prime is 4047721. The next prime is 4047737. The reversal of 4047725 is 5277404.

It is not a de Polignac number, because 4047725 - 2² = 4047721 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11096 + ... + 11454.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^4047725 is an apocalyptic number.

It is an amenable number.

4047725 is a deficient number, since it is larger than the sum of its proper divisors (1576915).

4047725 is a wasteful number, since it uses less digits than its factorization.

4047725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 4047725 is about 2011.8958720570. The cubic root of 4047725 is about 159.3689335125.

The spelling of 4047725 in words is "four million, forty-seven thousand, seven hundred twenty-five".