756722 has 4 divisors (see below), whose sum is σ = 1135086. Its totient is φ = 378360.

The previous prime is 756719. The next prime is 756727. The reversal of 756722 is 227657.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227657 = 251 ⋅907.

It can be written as a sum of positive squares in only one way, i.e., 564001 + 192721 = 751^2 + 439^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (756727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189179 + ... + 189182.

2⁷⁵⁶⁷²² is an apocalyptic number.

756722 is a deficient number, since it is larger than the sum of its proper divisors (378364).

756722 is a wasteful number, since it uses less digits than its factorization.

756722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378363.

The product of its digits is 5880, while the sum is 29.

The square root of 756722 is about 869.8976951343. The cubic root of 756722 is about 91.1266601572.

The spelling of 756722 in words is "seven hundred fifty-six thousand, seven hundred twenty-two".