74680487 has 4 divisors (see below), whose sum is σ = 85349136. Its totient is φ = 64011840.

The previous prime is 74680483. The next prime is 74680499. The reversal of 74680487 is 78408647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78408647 = 103 ⋅761249.

It is a cyclic number.

It is not a de Polignac number, because 74680487 - 2² = 74680483 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 (74680483) 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 3 ways as a sum of consecutive naturals, for example, 5334314 + ... + 5334327.

It is an arithmetic number, because the mean of its divisors is an integer number (21337284).

Almost surely, 2^74680487 is an apocalyptic number.

74680487 is a deficient number, since it is larger than the sum of its proper divisors (10668649).

74680487 is a wasteful number, since it uses less digits than its factorization.

74680487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668648.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 74680487 is about 8641.7872572750. The cubic root of 74680487 is about 421.1166186562.

The spelling of 74680487 in words is "seventy-four million, six hundred eighty thousand, four hundred eighty-seven".