745541 has 4 divisors (see below), whose sum is σ = 784800. Its totient is φ = 706284.

The previous prime is 745531. The next prime is 745543. The reversal of 745541 is 145547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 745541 - 2⁶ = 745477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 745541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745543) 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, 19601 + ... + 19638.

It is an arithmetic number, because the mean of its divisors is an integer number (196200).

2⁷⁴⁵⁵⁴¹ is an apocalyptic number.

It is an amenable number.

745541 is a deficient number, since it is larger than the sum of its proper divisors (39259).

745541 is a wasteful number, since it uses less digits than its factorization.

745541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39258.

The product of its digits is 2800, while the sum is 26.

The square root of 745541 is about 863.4471610933. The cubic root of 745541 is about 90.6756151659.

The spelling of 745541 in words is "seven hundred forty-five thousand, five hundred forty-one".