743388340 has 24 divisors (see below), whose sum is σ = 1568125440. Its totient is φ = 296020128.

The previous prime is 743388337. The next prime is 743388449. The reversal of 743388340 is 43883347.

It is a happy number.

743388340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×743388340³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 743388293 and 743388302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78880 + ... + 87799.

It is an arithmetic number, because the mean of its divisors is an integer number (65338560).

Almost surely, 2^743388340 is an apocalyptic number.

It is an amenable number.

743388340 is an abundant number, since it is smaller than the sum of its proper divisors (824737100).

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

743388340 is a wasteful number, since it uses less digits than its factorization.

743388340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166911 (or 166909 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 743388340 is about 27265.1488167587. The cubic root of 743388340 is about 905.8825938987.

The spelling of 743388340 in words is "seven hundred forty-three million, three hundred eighty-eight thousand, three hundred forty".