916417745 has 4 divisors (see below), whose sum is σ = 1099701300. Its totient is φ = 733134192.

The previous prime is 916417699. The next prime is 916417771. The reversal of 916417745 is 547714619.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120275089 + 796142656 = 10967^2 + 28216^2 .

It is a cyclic number.

It is not a de Polignac number, because 916417745 - 2¹² = 916413649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 916417696 and 916417705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91641770 + ... + 91641779.

It is an arithmetic number, because the mean of its divisors is an integer number (274925325).

Almost surely, 2^916417745 is an apocalyptic number.

It is an amenable number.

916417745 is a deficient number, since it is larger than the sum of its proper divisors (183283555).

916417745 is a wasteful number, since it uses less digits than its factorization.

916417745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183283554.

The product of its digits is 211680, while the sum is 44.

The square root of 916417745 is about 30272.3924558334. The cubic root of 916417745 is about 971.3248432404.

The spelling of 916417745 in words is "nine hundred sixteen million, four hundred seventeen thousand, seven hundred forty-five".