74532387 has 8 divisors (see below), whose sum is σ = 99469504. Its totient is φ = 49641768.

The previous prime is 74532371. The next prime is 74532413. The reversal of 74532387 is 78323547.

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

It is not a de Polignac number, because 74532387 - 2⁴ = 74532371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74533387) 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, 7693 + ... + 14430.

It is an arithmetic number, because the mean of its divisors is an integer number (12433688).

Almost surely, 2^74532387 is an apocalyptic number.

74532387 is a deficient number, since it is larger than the sum of its proper divisors (24937117).

74532387 is a wasteful number, since it uses less digits than its factorization.

74532387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23249.

The product of its digits is 141120, while the sum is 39.

The square root of 74532387 is about 8633.2141754969. The cubic root of 74532387 is about 420.8380601981.

The spelling of 74532387 in words is "seventy-four million, five hundred thirty-two thousand, three hundred eighty-seven".