74315331 has 6 divisors (see below), whose sum is σ = 107344380. Its totient is φ = 49543548.

The previous prime is 74315321. The next prime is 74315333. The reversal of 74315331 is 13351347.

It is not a de Polignac number, because 74315331 - 2⁵ = 74315299 is a prime.

It is a super-2 number, since 2×74315331² = 11045536843279122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74315295 and 74315304.

It is not an unprimeable number, because it can be changed into a prime (74315333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4128621 + ... + 4128638.

It is an arithmetic number, because the mean of its divisors is an integer number (17890730).

Almost surely, 2^74315331 is an apocalyptic number.

74315331 is a deficient number, since it is larger than the sum of its proper divisors (33029049).

74315331 is a wasteful number, since it uses less digits than its factorization.

74315331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257265 (or 8257262 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 74315331 is about 8620.6340254067. The cubic root of 74315331 is about 420.4291362094.

Adding to 74315331 its reverse (13351347), we get a palindrome (87666678).

The spelling of 74315331 in words is "seventy-four million, three hundred fifteen thousand, three hundred thirty-one".