747722 has 4 divisors (see below), whose sum is σ = 1121586. Its totient is φ = 373860.

The previous prime is 747713. The next prime is 747731. The reversal of 747722 is 227747.

747722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227747 = 13 ⋅17519.

It is an interprime number because it is at equal distance from previous prime (747713) and next prime (747731).

It can be written as a sum of positive squares in only one way, i.e., 546121 + 201601 = 739^2 + 449^2 .

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 747722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186929 + ... + 186932.

2⁷⁴⁷⁷²² is an apocalyptic number.

747722 is a deficient number, since it is larger than the sum of its proper divisors (373864).

747722 is a wasteful number, since it uses less digits than its factorization.

747722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373863.

The product of its digits is 5488, while the sum is 29.

The square root of 747722 is about 864.7091996735. The cubic root of 747722 is about 90.7639496703.

The spelling of 747722 in words is "seven hundred forty-seven thousand, seven hundred twenty-two", and thus it is an iban number.