74834131 has 2 divisors, whose sum is σ = 74834132. Its totient is φ = 74834130.

The previous prime is 74834107. The next prime is 74834159. The reversal of 74834131 is 13143847.

It is a weak prime.

It is an emirp because it is prime and its reverse (13143847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74834131 - 2⁷ = 74834003 is a prime.

It is a super-2 number, since 2×74834131² = 11200294325050322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74834093 and 74834102.

It is not a weakly prime, because it can be changed into another prime (74834101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37417065 + 37417066.

It is an arithmetic number, because the mean of its divisors is an integer number (37417066).

Almost surely, 2^74834131 is an apocalyptic number.

74834131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74834131 is an equidigital number, since it uses as much as digits as its factorization.

74834131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 74834131 is about 8650.6722860134. The cubic root of 74834131 is about 421.4052157779.

Adding to 74834131 its reverse (13143847), we get a palindrome (87977978).

The spelling of 74834131 in words is "seventy-four million, eight hundred thirty-four thousand, one hundred thirty-one".