42250744 has 32 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 20110464.

The previous prime is 42250727. The next prime is 42250753. The reversal of 42250744 is 44705224.

It is a happy number.

It is a congruent number.

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, 12394 + ... + 15430.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^42250744 is an apocalyptic number.

It is an amenable number.

42250744 is a deficient number, since it is larger than the sum of its proper divisors (40868936).

42250744 is a wasteful number, since it uses less digits than its factorization.

42250744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42250744 is about 6500.0572305173. The cubic root of 42250744 is about 348.2930327884.

Adding to 42250744 its reverse (44705224), we get a palindrome (86955968).

The spelling of 42250744 in words is "forty-two million, two hundred fifty thousand, seven hundred forty-four".