747772 has 12 divisors (see below), whose sum is σ = 1327536. Its totient is φ = 368480.

The previous prime is 747763. The next prime is 747781. The reversal of 747772 is 277747.

It is an interprime number because it is at equal distance from previous prime (747763) and next prime (747781).

It is a congruent number.

It is an unprimeable number.

747772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (110628).

2⁷⁴⁷⁷⁷² is an apocalyptic number.

It is an amenable number.

747772 is a deficient number, since it is larger than the sum of its proper divisors (579764).

747772 is a wasteful number, since it uses less digits than its factorization.

747772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2706 counting only the distinct ones).

The product of its digits is 19208, while the sum is 34.

The square root of 747772 is about 864.7381106439. The cubic root of 747772 is about 90.7659727467.

It can be divided in two parts, 74 and 7772, that multiplied together give a triangular number (575128 = T₁₀₇₂).

The spelling of 747772 in words is "seven hundred forty-seven thousand, seven hundred seventy-two", and thus it is an iban number.