41728725 has 36 divisors (see below), whose sum is σ = 75209472. Its totient is φ = 22116000.

The previous prime is 41728717. The next prime is 41728733. The reversal of 41728725 is 52782714.

It is an interprime number because it is at equal distance from previous prime (41728717) and next prime (41728733).

It is not a de Polignac number, because 41728725 - 2³ = 41728717 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 41728725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42490 + ... + 43460.

It is an arithmetic number, because the mean of its divisors is an integer number (2089152).

Almost surely, 2^41728725 is an apocalyptic number.

41728725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41728725 is a deficient number, since it is larger than the sum of its proper divisors (33480747).

41728725 is a wasteful number, since it uses less digits than its factorization.

41728725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1170 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 41728725 is about 6459.7774729475. Note that the first 3 decimals coincide. The cubic root of 41728725 is about 346.8526671767.

The spelling of 41728725 in words is "forty-one million, seven hundred twenty-eight thousand, seven hundred twenty-five".