73405297 has 8 divisors (see below), whose sum is σ = 84456000. Its totient is φ = 62495664.

The previous prime is 73405271. The next prime is 73405301. The reversal of 73405297 is 79250437.

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

It is not a de Polignac number, because 73405297 - 2¹¹ = 73403249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73405597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34147 + ... + 36232.

It is an arithmetic number, because the mean of its divisors is an integer number (10557000).

Almost surely, 2^73405297 is an apocalyptic number.

It is an amenable number.

73405297 is a deficient number, since it is larger than the sum of its proper divisors (11050703).

73405297 is a wasteful number, since it uses less digits than its factorization.

73405297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70535.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 73405297 is about 8567.6891283473. The cubic root of 73405297 is about 418.7059509023.

The spelling of 73405297 in words is "seventy-three million, four hundred five thousand, two hundred ninety-seven".