726343228 has 24 divisors (see below), whose sum is σ = 1382177888. Its totient is φ = 331978176.

The previous prime is 726343199. The next prime is 726343231. The reversal of 726343228 is 822343627.

It is a super-2 number, since 2×726343228² = 1055148969722919968, which contains 22 as substring.

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, 62451 + ... + 73162.

Almost surely, 2^726343228 is an apocalyptic number.

It is an amenable number.

726343228 is a deficient number, since it is larger than the sum of its proper divisors (655834660).

726343228 is a wasteful number, since it uses less digits than its factorization.

726343228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135733 (or 135731 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 726343228 is about 26950.7556109286. The cubic root of 726343228 is about 898.9053473241.

The spelling of 726343228 in words is "seven hundred twenty-six million, three hundred forty-three thousand, two hundred twenty-eight".