42574331 has 4 divisors (see below), whose sum is σ = 42649464. Its totient is φ = 42499200.

The previous prime is 42574327. The next prime is 42574333. The reversal of 42574331 is 13347524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42574331 - 2² = 42574327 is a prime.

It is a super-2 number, since 2×42574331² = 3625147320195122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42574294 and 42574303.

It is not an unprimeable number, because it can be changed into a prime (42574333) 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, 36710 + ... + 37851.

It is an arithmetic number, because the mean of its divisors is an integer number (10662366).

Almost surely, 2^42574331 is an apocalyptic number.

42574331 is a deficient number, since it is larger than the sum of its proper divisors (75133).

42574331 is an equidigital number, since it uses as much as digits as its factorization.

42574331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75132.

The product of its digits is 10080, while the sum is 29.

The square root of 42574331 is about 6524.9008421584. The cubic root of 42574331 is about 349.1799331056.

The spelling of 42574331 in words is "forty-two million, five hundred seventy-four thousand, three hundred thirty-one".