42715730 has 32 divisors (see below), whose sum is σ = 82581120. Its totient is φ = 15850240.

The previous prime is 42715703. The next prime is 42715741. The reversal of 42715730 is 3751724.

It is a junction number, because it is equal to n+sod(n) for n = 42715693 and 42715702.

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, 10301 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (2580660).

Almost surely, 2^42715730 is an apocalyptic number.

42715730 is a deficient number, since it is larger than the sum of its proper divisors (39865390).

42715730 is a wasteful number, since it uses less digits than its factorization.

42715730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 42715730 is about 6535.7271974892. The cubic root of 42715730 is about 349.5660744919.

It can be divided in two parts, 4271 and 5730, that added together give a palindrome (10001).

The spelling of 42715730 in words is "forty-two million, seven hundred fifteen thousand, seven hundred thirty".