74042331 has 16 divisors (see below), whose sum is σ = 108812928. Its totient is φ = 44409600.

The previous prime is 74042329. The next prime is 74042333. The reversal of 74042331 is 13324047.

It is an interprime number because it is at equal distance from previous prime (74042329) and next prime (74042333).

It is not a de Polignac number, because 74042331 - 2¹ = 74042329 is a prime.

It is a super-2 number, since 2×74042331² = 10964533559827122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74042333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8365 + ... + 14766.

It is an arithmetic number, because the mean of its divisors is an integer number (6800808).

Almost surely, 2^74042331 is an apocalyptic number.

74042331 is a deficient number, since it is larger than the sum of its proper divisors (34770597).

74042331 is a wasteful number, since it uses less digits than its factorization.

74042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 74042331 is about 8604.7853546733. The cubic root of 74042331 is about 419.9136840761.

Adding to 74042331 its reverse (13324047), we get a palindrome (87366378).

It can be divided in two parts, 740 and 42331, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 74042331 in words is "seventy-four million, forty-two thousand, three hundred thirty-one".