74413487 has 4 divisors (see below), whose sum is σ = 77648880. Its totient is φ = 71178096.

The previous prime is 74413457. The next prime is 74413489. The reversal of 74413487 is 78431447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74413487 - 2⁸ = 74413231 is a prime.

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 74413487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74413489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617662 + ... + 1617707.

It is an arithmetic number, because the mean of its divisors is an integer number (19412220).

Almost surely, 2^74413487 is an apocalyptic number.

74413487 is a deficient number, since it is larger than the sum of its proper divisors (3235393).

74413487 is a wasteful number, since it uses less digits than its factorization.

74413487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235392.

The product of its digits is 75264, while the sum is 38.

The square root of 74413487 is about 8626.3252315224. The cubic root of 74413487 is about 420.6141562954.

The spelling of 74413487 in words is "seventy-four million, four hundred thirteen thousand, four hundred eighty-seven".