42102674 has 4 divisors (see below), whose sum is σ = 63154014. Its totient is φ = 21051336.

The previous prime is 42102661. The next prime is 42102691. The reversal of 42102674 is 47620124.

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

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 3972049 = 6175^2 + 1993^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10525667 + ... + 10525670.

Almost surely, 2^42102674 is an apocalyptic number.

42102674 is a deficient number, since it is larger than the sum of its proper divisors (21051340).

42102674 is a wasteful number, since it uses less digits than its factorization.

42102674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051339.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42102674 is about 6488.6573341486. The cubic root of 42102674 is about 347.8856860187.

Adding to 42102674 its reverse (47620124), we get a palindrome (89722798).

The spelling of 42102674 in words is "forty-two million, one hundred two thousand, six hundred seventy-four".