746687 has 4 divisors (see below), whose sum is σ = 748800. Its totient is φ = 744576.

The previous prime is 746677. The next prime is 746723. The reversal of 746687 is 786647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 746687 - 2⁴ = 746671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 746687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

2⁷⁴⁶⁶⁸⁷ is an apocalyptic number.

746687 is a deficient number, since it is larger than the sum of its proper divisors (2113).

746687 is a wasteful number, since it uses less digits than its factorization.

746687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its digits is 56448, while the sum is 38.

The square root of 746687 is about 864.1105253380. The cubic root of 746687 is about 90.7220517164.

The spelling of 746687 in words is "seven hundred forty-six thousand, six hundred eighty-seven".