74532631 has 8 divisors (see below), whose sum is σ = 76784400. Its totient is φ = 72304512.

The previous prime is 74532613. The next prime is 74532643. The reversal of 74532631 is 13623547.

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 74532631 - 2⁵ = 74532599 is a prime.

It is a super-2 number, since 2×74532631² = 11110226167564322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74532593 and 74532602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74532671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (9598050).

Almost surely, 2^74532631 is an apocalyptic number.

74532631 is a deficient number, since it is larger than the sum of its proper divisors (2251769).

74532631 is a wasteful number, since it uses less digits than its factorization.

74532631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825.

The product of its digits is 15120, while the sum is 31.

The square root of 74532631 is about 8633.2283069545. The cubic root of 74532631 is about 420.8385194364.

The spelling of 74532631 in words is "seventy-four million, five hundred thirty-two thousand, six hundred thirty-one".