42750524 has 12 divisors (see below), whose sum is σ = 77393400. Its totient is φ = 20638128.

The previous prime is 42750517. The next prime is 42750541. The reversal of 42750524 is 42505724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 3 ways as a sum of consecutive naturals, for example, 184154 + ... + 184385.

It is an arithmetic number, because the mean of its divisors is an integer number (6449450).

Almost surely, 2^42750524 is an apocalyptic number.

It is an amenable number.

42750524 is a deficient number, since it is larger than the sum of its proper divisors (34642876).

42750524 is a wasteful number, since it uses less digits than its factorization.

42750524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368572 (or 368570 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 42750524 is about 6538.3884864697. The cubic root of 42750524 is about 349.6609614816.

The spelling of 42750524 in words is "forty-two million, seven hundred fifty thousand, five hundred twenty-four".