73892987 has 4 divisors (see below), whose sum is σ = 84449136. Its totient is φ = 63336840.

The previous prime is 73892981. The next prime is 73893013. The reversal of 73892987 is 78929837.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73892987 - 2¹⁶ = 73827451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73892981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278064 + ... + 5278077.

It is an arithmetic number, because the mean of its divisors is an integer number (21112284).

Almost surely, 2^73892987 is an apocalyptic number.

73892987 is a deficient number, since it is larger than the sum of its proper divisors (10556149).

73892987 is a wasteful number, since it uses less digits than its factorization.

73892987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556148.

The product of its digits is 1524096, while the sum is 53.

The square root of 73892987 is about 8596.1030124121. The cubic root of 73892987 is about 419.6311709112.

The spelling of 73892987 in words is "seventy-three million, eight hundred ninety-two thousand, nine hundred eighty-seven".