745416 has 128 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 193536.

The previous prime is 745397. The next prime is 745471. The reversal of 745416 is 614547.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 745416.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745416.

It is an unprimeable number.

745416 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 31 ways as a sum of consecutive naturals, for example, 25690 + ... + 25718.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2⁷⁴⁵⁴¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

745416 is an abundant number, since it is smaller than the sum of its proper divisors (1846584).

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

745416 is a wasteful number, since it uses less digits than its factorization.

745416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 58 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 745416 is about 863.3747737802. The cubic root of 745416 is about 90.6705472195.

It can be divided in two parts, 74541 and 6, that added together give a palindrome (74547).

The spelling of 745416 in words is "seven hundred forty-five thousand, four hundred sixteen".