73827487 has 4 divisors (see below), whose sum is σ = 74358760. Its totient is φ = 73296216.

The previous prime is 73827473. The next prime is 73827491. The reversal of 73827487 is 78472837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78472837 = 107 ⋅733391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73827487 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 (73827497) 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, 265428 + ... + 265705.

It is an arithmetic number, because the mean of its divisors is an integer number (18589690).

Almost surely, 2^73827487 is an apocalyptic number.

73827487 is a deficient number, since it is larger than the sum of its proper divisors (531273).

73827487 is a wasteful number, since it uses less digits than its factorization.

73827487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531272.

The product of its digits is 526848, while the sum is 46.

The square root of 73827487 is about 8592.2923018249. The cubic root of 73827487 is about 419.5071448562.

The spelling of 73827487 in words is "seventy-three million, eight hundred twenty-seven thousand, four hundred eighty-seven".