74806487 has 12 divisors (see below), whose sum is σ = 87486336. Its totient is φ = 63776160.

The previous prime is 74806483. The next prime is 74806507. The reversal of 74806487 is 78460847.

It is not a de Polignac number, because 74806487 - 2² = 74806483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74806483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5363 + ... + 13355.

It is an arithmetic number, because the mean of its divisors is an integer number (7290528).

Almost surely, 2^74806487 is an apocalyptic number.

74806487 is a deficient number, since it is larger than the sum of its proper divisors (12679849).

74806487 is a wasteful number, since it uses less digits than its factorization.

74806487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198 (or 8191 counting only the distinct ones).

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

The square root of 74806487 is about 8649.0743435353. The cubic root of 74806487 is about 421.3533198477.

The spelling of 74806487 in words is "seventy-four million, eight hundred six thousand, four hundred eighty-seven".