736706665 has 16 divisors (see below), whose sum is σ = 937696320. Its totient is φ = 554074560.

The previous prime is 736706657. The next prime is 736706671. The reversal of 736706665 is 566607637.

It is not a de Polignac number, because 736706665 - 2³ = 736706657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17154 + ... + 42043.

It is an arithmetic number, because the mean of its divisors is an integer number (58606020).

Almost surely, 2^736706665 is an apocalyptic number.

It is an amenable number.

736706665 is a deficient number, since it is larger than the sum of its proper divisors (200989655).

736706665 is a wasteful number, since it uses less digits than its factorization.

736706665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59352.

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 736706665 is about 27142.3408165176. The cubic root of 736706665 is about 903.1603564739.

The spelling of 736706665 in words is "seven hundred thirty-six million, seven hundred six thousand, six hundred sixty-five".