42377725 has 24 divisors (see below), whose sum is σ = 57308832. Its totient is φ = 30897600.

The previous prime is 42377689. The next prime is 42377749. The reversal of 42377725 is 52777324.

It is not a de Polignac number, because 42377725 - 2¹³ = 42369533 is a prime.

It is a Duffinian number.

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, 26190 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (2387868).

Almost surely, 2^42377725 is an apocalyptic number.

It is an amenable number.

42377725 is a deficient number, since it is larger than the sum of its proper divisors (14931107).

42377725 is a wasteful number, since it uses less digits than its factorization.

42377725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1672 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 42377725 is about 6509.8175857700. The cubic root of 42377725 is about 348.6416054668.

The spelling of 42377725 in words is "forty-two million, three hundred seventy-seven thousand, seven hundred twenty-five".