74234131 has 4 divisors (see below), whose sum is σ = 74611152. Its totient is φ = 73857112.

The previous prime is 74234129. The next prime is 74234137. The reversal of 74234131 is 13143247.

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 74234131 - 2¹ = 74234129 is a prime.

It is a super-2 number, since 2×74234131² = 11021412410650322, 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 = 74234096 and 74234105.

It is not an unprimeable number, because it can be changed into a prime (74234137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188215 + ... + 188608.

It is an arithmetic number, because the mean of its divisors is an integer number (18652788).

Almost surely, 2^74234131 is an apocalyptic number.

74234131 is a deficient number, since it is larger than the sum of its proper divisors (377021).

74234131 is a wasteful number, since it uses less digits than its factorization.

74234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377020.

The product of its digits is 2016, while the sum is 25.

The square root of 74234131 is about 8615.9231078277. The cubic root of 74234131 is about 420.2759543254.

Adding to 74234131 its reverse (13143247), we get a palindrome (87377378).

The spelling of 74234131 in words is "seventy-four million, two hundred thirty-four thousand, one hundred thirty-one".