74470587 has 8 divisors (see below), whose sum is σ = 102497280. Its totient is φ = 48045480.

The previous prime is 74470577. The next prime is 74470621. The reversal of 74470587 is 78507447.

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

It is not a de Polignac number, because 74470587 - 2¹⁵ = 74437819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74470507) 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, 400287 + ... + 400472.

It is an arithmetic number, because the mean of its divisors is an integer number (12812160).

Almost surely, 2^74470587 is an apocalyptic number.

74470587 is a deficient number, since it is larger than the sum of its proper divisors (28026693).

74470587 is a wasteful number, since it uses less digits than its factorization.

74470587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800793.

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 74470587 is about 8629.6342332685. The cubic root of 74470587 is about 420.7217126398.

It can be divided in two parts, 74470 and 587, that added together give a palindrome (75057).

The spelling of 74470587 in words is "seventy-four million, four hundred seventy thousand, five hundred eighty-seven".