42674725 has 6 divisors (see below), whose sum is σ = 52916690. Its totient is φ = 34139760.

The previous prime is 42674717. The next prime is 42674761. The reversal of 42674725 is 52747624.

It can be written as a sum of positive squares in 3 ways, for example, as 1110916 + 41563809 = 1054^2 + 6447^2 .

It is not a de Polignac number, because 42674725 - 2³ = 42674717 is a prime.

It is a super-2 number, since 2×42674725² = 3642264307651250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 853470 + ... + 853519.

Almost surely, 2^42674725 is an apocalyptic number.

It is an amenable number.

42674725 is a deficient number, since it is larger than the sum of its proper divisors (10241965).

42674725 is a wasteful number, since it uses less digits than its factorization.

42674725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706999 (or 1706994 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 42674725 is about 6532.5894559508. The cubic root of 42674725 is about 349.4541832678.

The spelling of 42674725 in words is "forty-two million, six hundred seventy-four thousand, seven hundred twenty-five".