42770492 has 12 divisors (see below), whose sum is σ = 74937240. Its totient is φ = 21359856.

The previous prime is 42770491. The next prime is 42770527. The reversal of 42770492 is 29407724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42770491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (6244770).

Almost surely, 2^42770492 is an apocalyptic number.

It is an amenable number.

42770492 is a deficient number, since it is larger than the sum of its proper divisors (32166748).

42770492 is a wasteful number, since it uses less digits than its factorization.

42770492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12700 (or 12698 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42770492 is about 6539.9152899713. The cubic root of 42770492 is about 349.7153931209.

The spelling of 42770492 in words is "forty-two million, seven hundred seventy thousand, four hundred ninety-two".