42825730 has 32 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 16452480.

The previous prime is 42825719. The next prime is 42825743. The reversal of 42825730 is 3752824.

It is a junction number, because it is equal to n+sod(n) for n = 42825692 and 42825701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26691 + ... + 28249.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^42825730 is an apocalyptic number.

42825730 is a deficient number, since it is larger than the sum of its proper divisors (37370750).

42825730 is a wasteful number, since it uses less digits than its factorization.

42825730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42825730 is about 6544.1370706916. The cubic root of 42825730 is about 349.8658805850.

The spelling of 42825730 in words is "forty-two million, eight hundred twenty-five thousand, seven hundred thirty".