743660 has 36 divisors (see below), whose sum is σ = 1664208. Its totient is φ = 279072.

The previous prime is 743657. The next prime is 743669. The reversal of 743660 is 66347.

It is not an unprimeable number, because it can be changed into a prime (743669) 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 11 ways as a sum of consecutive naturals, for example, 7169 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (46228).

2⁷⁴³⁶⁶⁰ 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 743660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832104).

743660 is an abundant number, since it is smaller than the sum of its proper divisors (920548).

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

743660 is a wasteful number, since it uses less digits than its factorization.

743660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 743660 is about 862.3572345612. The cubic root of 743660 is about 90.5992927480.

The spelling of 743660 in words is "seven hundred forty-three thousand, six hundred sixty".