74352131 has 8 divisors (see below), whose sum is σ = 85213440. Its totient is φ = 63550728.

The previous prime is 74352097. The next prime is 74352133. The reversal of 74352131 is 13125347.

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 74352131 - 2²⁶ = 7243267 is a prime.

It is a super-2 number, since 2×74352131² = 11056478768482322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74352131.

It is not an unprimeable number, because it can be changed into a prime (74352133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12281 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (10651680).

Almost surely, 2^74352131 is an apocalyptic number.

74352131 is a deficient number, since it is larger than the sum of its proper divisors (10861309).

74352131 is a wasteful number, since it uses less digits than its factorization.

74352131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953.

The product of its digits is 2520, while the sum is 26.

The square root of 74352131 is about 8622.7681750120. The cubic root of 74352131 is about 420.4985217987.

Adding to 74352131 its reverse (13125347), we get a palindrome (87477478).

The spelling of 74352131 in words is "seventy-four million, three hundred fifty-two thousand, one hundred thirty-one".