74334631 has 16 divisors (see below), whose sum is σ = 90950400. Its totient is φ = 59332608.

The previous prime is 74334629. The next prime is 74334641. The reversal of 74334631 is 13643347.

It is a cyclic number.

It is not a de Polignac number, because 74334631 - 2¹ = 74334629 is a prime.

It is a super-3 number, since 3×74334631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74334593 and 74334602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74334641) 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 15 ways as a sum of consecutive naturals, for example, 3111 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (5684400).

Almost surely, 2^74334631 is an apocalyptic number.

74334631 is a deficient number, since it is larger than the sum of its proper divisors (16615769).

74334631 is a wasteful number, since it uses less digits than its factorization.

74334631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558.

The product of its digits is 18144, while the sum is 31.

The square root of 74334631 is about 8621.7533599611. The cubic root of 74334631 is about 420.4655287899.

Adding to 74334631 its reverse (13643347), we get a palindrome (87977978).

The spelling of 74334631 in words is "seventy-four million, three hundred thirty-four thousand, six hundred thirty-one".