74534631 has 8 divisors (see below), whose sum is σ = 99536640. Its totient is φ = 49611192.

The previous prime is 74534591. The next prime is 74534639. The reversal of 74534631 is 13643547.

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

It is not a de Polignac number, because 74534631 - 2¹¹ = 74532583 is a prime.

It is a super-2 number, since 2×74534631² = 11110822436612322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74534592 and 74534601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74534639) 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, 17391 + ... + 21248.

It is an arithmetic number, because the mean of its divisors is an integer number (12442080).

Almost surely, 2^74534631 is an apocalyptic number.

74534631 is a deficient number, since it is larger than the sum of its proper divisors (25002009).

74534631 is a wasteful number, since it uses less digits than its factorization.

74534631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39285.

The product of its digits is 30240, while the sum is 33.

The square root of 74534631 is about 8633.3441377024. The cubic root of 74534631 is about 420.8422836467.

The spelling of 74534631 in words is "seventy-four million, five hundred thirty-four thousand, six hundred thirty-one".