73438487 has 16 divisors (see below), whose sum is σ = 80248320. Its totient is φ = 66937728.

The previous prime is 73438481. The next prime is 73438493. The reversal of 73438487 is 78483437.

It is an interprime number because it is at equal distance from previous prime (73438481) and next prime (73438493).

It is a cyclic number.

It is not a de Polignac number, because 73438487 - 2¹² = 73434391 is a prime.

It is a super-2 number, since 2×73438487² = 10786422745698338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73438481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85064 + ... + 85922.

It is an arithmetic number, because the mean of its divisors is an integer number (5015520).

Almost surely, 2^73438487 is an apocalyptic number.

73438487 is a deficient number, since it is larger than the sum of its proper divisors (6809833).

73438487 is a wasteful number, since it uses less digits than its factorization.

73438487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 451584, while the sum is 44.

The square root of 73438487 is about 8569.6258378065. The cubic root of 73438487 is about 418.7690469691.

The spelling of 73438487 in words is "seventy-three million, four hundred thirty-eight thousand, four hundred eighty-seven".