747746 has 8 divisors (see below), whose sum is σ = 1130220. Its totient is φ = 371008.

The previous prime is 747743. The next prime is 747763. The reversal of 747746 is 647747.

747746 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 2 ways, for example, as 664225 + 83521 = 815^2 + 289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (747743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091 + ... + 1638.

2⁷⁴⁷⁷⁴⁶ is an apocalyptic number.

747746 is a deficient number, since it is larger than the sum of its proper divisors (382474).

747746 is a wasteful number, since it uses less digits than its factorization.

747746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 32928, while the sum is 35.

The square root of 747746 is about 864.7230770599. The cubic root of 747746 is about 90.7649207582.

Subtracting from 747746 its reverse (647747), we obtain a palindrome (99999).

The spelling of 747746 in words is "seven hundred forty-seven thousand, seven hundred forty-six".