746551 has 4 divisors (see below), whose sum is σ = 803992. Its totient is φ = 689112.

The previous prime is 746533. The next prime is 746561. The reversal of 746551 is 155647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155647 = 317 ⋅491.

It is a cyclic number.

It is not a de Polignac number, because 746551 - 2¹¹ = 744503 is a prime.

It is a Duffinian number.

746551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28701 + ... + 28726.

It is an arithmetic number, because the mean of its divisors is an integer number (200998).

2⁷⁴⁶⁵⁵¹ is an apocalyptic number.

746551 is a deficient number, since it is larger than the sum of its proper divisors (57441).

746551 is a wasteful number, since it uses less digits than its factorization.

746551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57440.

The product of its digits is 4200, while the sum is 28.

The square root of 746551 is about 864.0318281175. The cubic root of 746551 is about 90.7165434074.

The spelling of 746551 in words is "seven hundred forty-six thousand, five hundred fifty-one".