73717345 has 8 divisors (see below), whose sum is σ = 95265576. Its totient is φ = 54437376.

The previous prime is 73717339. The next prime is 73717403. The reversal of 73717345 is 54371737.

It can be written as a sum of positive squares in 4 ways, for example, as 717409 + 72999936 = 847^2 + 8544^2 .

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 73717345 - 2³ = 73717337 is a prime.

It is a Duffinian 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, 566992 + ... + 567121.

It is an arithmetic number, because the mean of its divisors is an integer number (11908197).

Almost surely, 2^73717345 is an apocalyptic number.

It is an amenable number.

73717345 is a deficient number, since it is larger than the sum of its proper divisors (21548231).

73717345 is a wasteful number, since it uses less digits than its factorization.

73717345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134131.

The product of its digits is 61740, while the sum is 37.

The square root of 73717345 is about 8585.8805605482. The cubic root of 73717345 is about 419.2984224478.

The spelling of 73717345 in words is "seventy-three million, seven hundred seventeen thousand, three hundred forty-five".