747081 has 6 divisors (see below), whose sum is σ = 1079130. Its totient is φ = 498048.

The previous prime is 747073. The next prime is 747107. The reversal of 747081 is 180747.

747081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 81225 = 816^2 + 285^2 .

It is not a de Polignac number, because 747081 - 2³ = 747073 is a prime.

It is a super-2 number, since 2×747081² = 1116260041122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41496 + ... + 41513.

It is an arithmetic number, because the mean of its divisors is an integer number (179855).

2⁷⁴⁷⁰⁸¹ is an apocalyptic number.

It is an amenable number.

747081 is a deficient number, since it is larger than the sum of its proper divisors (332049).

747081 is a wasteful number, since it uses less digits than its factorization.

747081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83015 (or 83012 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 747081 is about 864.3384753671. The cubic root of 747081 is about 90.7380058369.

The spelling of 747081 in words is "seven hundred forty-seven thousand, eighty-one".