743620 has 12 divisors (see below), whose sum is σ = 1561644. Its totient is φ = 297440.

The previous prime is 743609. The next prime is 743657. The reversal of 743620 is 26347.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 495616 = 498^2 + 704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 743591 and 743600.

It is an unprimeable number.

743620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18571 + ... + 18610.

It is an arithmetic number, because the mean of its divisors is an integer number (130137).

2⁷⁴³⁶²⁰ is an apocalyptic number.

It is an amenable number.

743620 is an abundant number, since it is smaller than the sum of its proper divisors (818024).

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

743620 is a wasteful number, since it uses less digits than its factorization.

743620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37190 (or 37188 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 743620 is about 862.3340420046. The cubic root of 743620 is about 90.5976683334.

Adding to 743620 its reverse (26347), we get a palindrome (769967).

The spelling of 743620 in words is "seven hundred forty-three thousand, six hundred twenty".