74250987 has 4 divisors (see below), whose sum is σ = 99001320. Its totient is φ = 49500656.

The previous prime is 74250973. The next prime is 74251003. The reversal of 74250987 is 78905247.

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 74250987 - 2¹⁰ = 74249963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74250937) 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 3 ways as a sum of consecutive naturals, for example, 12375162 + ... + 12375167.

It is an arithmetic number, because the mean of its divisors is an integer number (24750330).

Almost surely, 2^74250987 is an apocalyptic number.

74250987 is a deficient number, since it is larger than the sum of its proper divisors (24750333).

74250987 is a wasteful number, since it uses less digits than its factorization.

74250987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24750332.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 74250987 is about 8616.9012411655. The cubic root of 74250987 is about 420.3077619556.

The spelling of 74250987 in words is "seventy-four million, two hundred fifty thousand, nine hundred eighty-seven".