743603616 has 432 divisors, whose sum is σ = 2688940800. Its totient is φ = 193729536.

The previous prime is 743603611. The next prime is 743603657. The reversal of 743603616 is 616306347.

It is a happy number.

743603616 is a `hidden beast` number, since 7 + 4 + 36 + 0 + 3 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (743603611) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9412665 + ... + 9412743.

It is an arithmetic number, because the mean of its divisors is an integer number (6224400).

Almost surely, 2^743603616 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 743603616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

743603616 is an abundant number, since it is smaller than the sum of its proper divisors (1945337184).

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

743603616 is a wasteful number, since it uses less digits than its factorization.

743603616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 743603616 is about 27269.0963546649. The cubic root of 743603616 is about 905.9700295628.

The spelling of 743603616 in words is "seven hundred forty-three million, six hundred three thousand, six hundred sixteen".