743204736 has 96 divisors (see below), whose sum is σ = 2170794600. Its totient is φ = 244012032.

The previous prime is 743204723. The next prime is 743204747. The reversal of 743204736 is 637402347.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×743204736² = 1104706559225659392, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 743204736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72370 + ... + 81998.

Almost surely, 2^743204736 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 743204736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085397300).

743204736 is an abundant number, since it is smaller than the sum of its proper divisors (1427589864).

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

743204736 is a wasteful number, since it uses less digits than its factorization.

743204736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716 (or 9701 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 743204736 is about 27261.7815998881. The cubic root of 743204736 is about 905.8080086724.

The spelling of 743204736 in words is "seven hundred forty-three million, two hundred four thousand, seven hundred thirty-six".