42745330 has 16 divisors (see below), whose sum is σ = 78091200. Its totient is φ = 16842672.

The previous prime is 42745319. The next prime is 42745343. The reversal of 42745330 is 3354724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31230 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (4880700).

Almost surely, 2^42745330 is an apocalyptic number.

42745330 is a deficient number, since it is larger than the sum of its proper divisors (35345870).

42745330 is a wasteful number, since it uses less digits than its factorization.

42745330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63873.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 42745330 is about 6537.9912817317. The cubic root of 42745330 is about 349.6468001535.

It can be divided in two parts, 4274 and 5330, that added together give a square (9604 = 98²).

The spelling of 42745330 in words is "forty-two million, seven hundred forty-five thousand, three hundred thirty".