42341725 has 24 divisors (see below), whose sum is σ = 54449640. Its totient is φ = 32640000.

The previous prime is 42341699. The next prime is 42341731. The reversal of 42341725 is 52714324.

It can be written as a sum of positive squares in 12 ways, for example, as 3229209 + 39112516 = 1797^2 + 6254^2 .

It is not a de Polignac number, because 42341725 - 2¹⁵ = 42308957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42341693 and 42341702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103321 + ... + 103729.

It is an arithmetic number, because the mean of its divisors is an integer number (2268735).

Almost surely, 2^42341725 is an apocalyptic number.

It is an amenable number.

42341725 is a deficient number, since it is larger than the sum of its proper divisors (12107915).

42341725 is a wasteful number, since it uses less digits than its factorization.

42341725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 42341725 is about 6507.0519438529. The cubic root of 42341725 is about 348.5428534807.

The spelling of 42341725 in words is "forty-two million, three hundred forty-one thousand, seven hundred twenty-five".