75474487 has 8 divisors (see below), whose sum is σ = 84561552. Its totient is φ = 66758400.

The previous prime is 75474457. The next prime is 75474547. The reversal of 75474487 is 78447457.

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 75474487 - 2¹⁵ = 75441719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75474437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92314 + ... + 93127.

It is an arithmetic number, because the mean of its divisors is an integer number (10570194).

Almost surely, 2^75474487 is an apocalyptic number.

75474487 is a deficient number, since it is larger than the sum of its proper divisors (9087065).

75474487 is a wasteful number, since it uses less digits than its factorization.

75474487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185489.

The product of its digits is 878080, while the sum is 46.

The square root of 75474487 is about 8687.6053662675. The cubic root of 75474487 is about 422.6037922936.

The spelling of 75474487 in words is "seventy-five million, four hundred seventy-four thousand, four hundred eighty-seven".