42374665 has 8 divisors (see below), whose sum is σ = 50988168. Its totient is φ = 33807360.

The previous prime is 42374641. The next prime is 42374669. The reversal of 42374665 is 56647324.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 38900169 = 1864^2 + 6237^2 .

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

It is not a de Polignac number, because 42374665 - 2⁷ = 42374537 is a prime.

It is a super-2 number, since 2×42374665² = 3591224467724450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42374669) 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, 9496 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (6373521).

Almost surely, 2^42374665 is an apocalyptic number.

It is an amenable number.

42374665 is a deficient number, since it is larger than the sum of its proper divisors (8613503).

42374665 is a wasteful number, since it uses less digits than its factorization.

42374665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23099.

The product of its digits is 120960, while the sum is 37.

The square root of 42374665 is about 6509.5825518999. The cubic root of 42374665 is about 348.6332137234.

The spelling of 42374665 in words is "forty-two million, three hundred seventy-four thousand, six hundred sixty-five".