736873 has 4 divisors (see below), whose sum is σ = 743508. Its totient is φ = 730240.

The previous prime is 736871. The next prime is 736889. The reversal of 736873 is 378637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378637 = 7 ⋅54091.

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 419904 = 563^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 736873 - 2¹ = 736871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (185877).

2⁷³⁶⁸⁷³ is an apocalyptic number.

It is an amenable number.

736873 is a deficient number, since it is larger than the sum of its proper divisors (6635).

736873 is a wasteful number, since it uses less digits than its factorization.

736873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634.

The product of its digits is 21168, while the sum is 34.

The square root of 736873 is about 858.4130707299. The cubic root of 736873 is about 90.3228323767.

The spelling of 736873 in words is "seven hundred thirty-six thousand, eight hundred seventy-three".