73087471 has 16 divisors (see below), whose sum is σ = 82632960. Its totient is φ = 64229760.

The previous prime is 73087457. The next prime is 73087493. The reversal of 73087471 is 17478037.

It is a cyclic number.

It is not a de Polignac number, because 73087471 - 2⁵ = 73087439 is a prime.

It is a super-3 number, since 3×73087471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73087471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73087271) 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 15 ways as a sum of consecutive naturals, for example, 21340 + ... + 24526.

It is an arithmetic number, because the mean of its divisors is an integer number (5164560).

Almost surely, 2^73087471 is an apocalyptic number.

73087471 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

73087471 is a deficient number, since it is larger than the sum of its proper divisors (9545489).

73087471 is a wasteful number, since it uses less digits than its factorization.

73087471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 73087471 is about 8549.1210659342. The cubic root of 73087471 is about 418.1007803974.

The spelling of 73087471 in words is "seventy-three million, eighty-seven thousand, four hundred seventy-one".