42074131 has 4 divisors (see below), whose sum is σ = 45899064. Its totient is φ = 38249200.

The previous prime is 42074117. The next prime is 42074171. The reversal of 42074131 is 13147024.

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

It is not a de Polignac number, because 42074131 - 2⁷ = 42074003 is a prime.

It is a super-2 number, since 2×42074131² = 3540464998810322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42074101) 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, 1912450 + ... + 1912471.

It is an arithmetic number, because the mean of its divisors is an integer number (11474766).

Almost surely, 2^42074131 is an apocalyptic number.

42074131 is a deficient number, since it is larger than the sum of its proper divisors (3824933).

42074131 is a wasteful number, since it uses less digits than its factorization.

42074131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824932.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42074131 is about 6486.4575077618. The cubic root of 42074131 is about 347.8070532784.

It can be divided in two parts, 4207 and 4131, that added together give a palindrome (8338).

The spelling of 42074131 in words is "forty-two million, seventy-four thousand, one hundred thirty-one".