745748 has 6 divisors (see below), whose sum is σ = 1305066. Its totient is φ = 372872.

The previous prime is 745747. The next prime is 745751. The reversal of 745748 is 847547.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 2704 = 862^2 + 52^2 .

It is a super-2 number, since 2×745748² = 1112280159008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93215 + ... + 93222.

It is an arithmetic number, because the mean of its divisors is an integer number (217511).

2⁷⁴⁵⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

745748 is a deficient number, since it is larger than the sum of its proper divisors (559318).

745748 is a wasteful number, since it uses less digits than its factorization.

745748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186441 (or 186439 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 745748 is about 863.5670211396. The cubic root of 745748 is about 90.6840064395.

The spelling of 745748 in words is "seven hundred forty-five thousand, seven hundred forty-eight".