736722 has 32 divisors (see below), whose sum is σ = 1872000. Its totient is φ = 210384.

The previous prime is 736721. The next prime is 736741. The reversal of 736722 is 227637.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (736721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (58500).

2⁷³⁶⁷²² is an apocalyptic number.

736722 is an abundant number, since it is smaller than the sum of its proper divisors (1135278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

736722 is a wasteful number, since it uses less digits than its factorization.

736722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1961 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 736722 is about 858.3251132292. The cubic root of 736722 is about 90.3166623042.

The spelling of 736722 in words is "seven hundred thirty-six thousand, seven hundred twenty-two".