74003431 has 8 divisors (see below), whose sum is σ = 79642224. Its totient is φ = 68507520.

The previous prime is 74003429. The next prime is 74003437. The reversal of 74003431 is 13430047.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74003431 - 2¹ = 74003429 is a prime.

It is a super-2 number, since 2×74003431² = 10953015599543522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74003437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34645 + ... + 36718.

It is an arithmetic number, because the mean of its divisors is an integer number (9955278).

Almost surely, 2^74003431 is an apocalyptic number.

74003431 is a deficient number, since it is larger than the sum of its proper divisors (5638793).

74003431 is a wasteful number, since it uses less digits than its factorization.

74003431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71441.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 74003431 is about 8602.5246875554. The cubic root of 74003431 is about 419.8401337906.

Adding to 74003431 its reverse (13430047), we get a palindrome (87433478).

The spelling of 74003431 in words is "seventy-four million, three thousand, four hundred thirty-one".