74006331 has 32 divisors (see below), whose sum is σ = 117964800. Its totient is φ = 40379040.

The previous prime is 74006293. The next prime is 74006357. The reversal of 74006331 is 13360047.

It is not a de Polignac number, because 74006331 - 2⁶ = 74006267 is a prime.

It is a super-2 number, since 2×74006331² = 10953874056163122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74006371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50710 + ... + 52148.

It is an arithmetic number, because the mean of its divisors is an integer number (3686400).

Almost surely, 2^74006331 is an apocalyptic number.

74006331 is a deficient number, since it is larger than the sum of its proper divisors (43958469).

74006331 is a wasteful number, since it uses less digits than its factorization.

74006331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 74006331 is about 8602.6932410728. The cubic root of 74006331 is about 419.8456178629.

Adding to 74006331 its reverse (13360047), we get a palindrome (87366378).

It can be divided in two parts, 7400 and 6331, that added together give a palindrome (13731).

The spelling of 74006331 in words is "seventy-four million, six thousand, three hundred thirty-one".