73276405 has 8 divisors (see below), whose sum is σ = 90768384. Its totient is φ = 56730000.

The previous prime is 73276397. The next prime is 73276421. The reversal of 73276405 is 50467237.

It is a happy number.

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

It is not a de Polignac number, because 73276405 - 2³ = 73276397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236221 + ... + 236530.

It is an arithmetic number, because the mean of its divisors is an integer number (11346048).

Almost surely, 2^73276405 is an apocalyptic number.

It is an amenable number.

73276405 is a deficient number, since it is larger than the sum of its proper divisors (17491979).

73276405 is a wasteful number, since it uses less digits than its factorization.

73276405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472787.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 73276405 is about 8560.1638418899. The cubic root of 73276405 is about 418.4607394177.

The spelling of 73276405 in words is "seventy-three million, two hundred seventy-six thousand, four hundred five".