745776 has 30 divisors (see below), whose sum is σ = 2087540. Its totient is φ = 248544.

The previous prime is 745757. The next prime is 745817. The reversal of 745776 is 677547.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 745776.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446 + ... + 2733.

2⁷⁴⁵⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

745776 is an abundant number, since it is smaller than the sum of its proper divisors (1341764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745776 is a wasteful number, since it uses less digits than its factorization.

745776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5184 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 745776 is about 863.5832328155. The cubic root of 745776 is about 90.6851413717.

It can be divided in two parts, 745 and 776, that added together give a square (1521 = 39²).

The spelling of 745776 in words is "seven hundred forty-five thousand, seven hundred seventy-six".