42292789 has 8 divisors (see below), whose sum is σ = 52728768. Its totient is φ = 32955360.

The previous prime is 42292777. The next prime is 42292799. The reversal of 42292789 is 98729224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42292789 - 2⁷ = 42292661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42292799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274552 + ... + 274705.

It is an arithmetic number, because the mean of its divisors is an integer number (6591096).

Almost surely, 2^42292789 is an apocalyptic number.

It is an amenable number.

42292789 is a deficient number, since it is larger than the sum of its proper divisors (10435979).

42292789 is a wasteful number, since it uses less digits than its factorization.

42292789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549275.

The product of its digits is 145152, while the sum is 43.

The square root of 42292789 is about 6503.2906285972. The cubic root of 42292789 is about 348.4085268153.

The spelling of 42292789 in words is "forty-two million, two hundred ninety-two thousand, seven hundred eighty-nine".