73287387 has 6 divisors (see below), whose sum is σ = 105859572. Its totient is φ = 48858252.

The previous prime is 73287371. The next prime is 73287419. The reversal of 73287387 is 78378237.

It is not a de Polignac number, because 73287387 - 2⁴ = 73287371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73287307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4071513 + ... + 4071530.

It is an arithmetic number, because the mean of its divisors is an integer number (17643262).

Almost surely, 2^73287387 is an apocalyptic number.

73287387 is a deficient number, since it is larger than the sum of its proper divisors (32572185).

73287387 is a wasteful number, since it uses less digits than its factorization.

73287387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143049 (or 8143046 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 73287387 is about 8560.8052775425. The cubic root of 73287387 is about 418.4816434012.

The spelling of 73287387 in words is "seventy-three million, two hundred eighty-seven thousand, three hundred eighty-seven".