743677 has 4 divisors (see below), whose sum is σ = 811296. Its totient is φ = 676060.

The previous prime is 743671. The next prime is 743689. The reversal of 743677 is 776347.

It is a happy number.

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 not a de Polignac number, because 743677 - 2³ = 743669 is a prime.

It is a super-3 number, since 3×743677³ = 1233883921333889199, which contains 333 as substring.

It is a Duffinian number.

743677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743671) 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, 33793 + ... + 33814.

It is an arithmetic number, because the mean of its divisors is an integer number (202824).

2⁷⁴³⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

743677 is a deficient number, since it is larger than the sum of its proper divisors (67619).

743677 is a wasteful number, since it uses less digits than its factorization.

743677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67618.

The product of its digits is 24696, while the sum is 34.

The square root of 743677 is about 862.3670912088. The cubic root of 743677 is about 90.5999831067.

The spelling of 743677 in words is "seven hundred forty-three thousand, six hundred seventy-seven".