73481761 has 8 divisors (see below), whose sum is σ = 74015424. Its totient is φ = 72950640.

The previous prime is 73481747. The next prime is 73481767. The reversal of 73481761 is 16718437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73481761 - 2²¹ = 71384609 is a prime.

It is a super-2 number, since 2×73481761² = 10799138399322242, which contains 22 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 73481761.

It is not an unprimeable number, because it can be changed into a prime (73481767) 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 7 ways as a sum of consecutive naturals, for example, 145836 + ... + 146338.

It is an arithmetic number, because the mean of its divisors is an integer number (9251928).

Almost surely, 2^73481761 is an apocalyptic number.

It is an amenable number.

73481761 is a deficient number, since it is larger than the sum of its proper divisors (533663).

73481761 is a wasteful number, since it uses less digits than its factorization.

73481761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its digits is 28224, while the sum is 37.

The square root of 73481761 is about 8572.1503136611. The cubic root of 73481761 is about 418.8512847447.

The spelling of 73481761 in words is "seventy-three million, four hundred eighty-one thousand, seven hundred sixty-one".