42271074 has 24 divisors (see below), whose sum is σ = 91837980. Its totient is φ = 14051808.

The previous prime is 42271069. The next prime is 42271121. The reversal of 42271074 is 47017224.

42271074 = T₁₇₅₆ + T₁₇₅₇ + ... + T₁₇₈₂.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38526849 + 3744225 = 6207^2 + 1935^2 .

It is a super-2 number, since 2×42271074² = 3573687394226952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3984 + ... + 10020.

Almost surely, 2^42271074 is an apocalyptic number.

42271074 is an abundant number, since it is smaller than the sum of its proper divisors (49566906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42271074 is a wasteful number, since it uses less digits than its factorization.

42271074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42271074 is about 6501.6208748281. The cubic root of 42271074 is about 348.3488871260.

Adding to 42271074 its reverse (47017224), we get a palindrome (89288298).

The spelling of 42271074 in words is "forty-two million, two hundred seventy-one thousand, seventy-four".