726746426 has 8 divisors (see below), whose sum is σ = 1245851040. Its totient is φ = 311462748.

The previous prime is 726746393. The next prime is 726746429. The reversal of 726746426 is 624647627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (726746429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25955216 + ... + 25955243.

It is an arithmetic number, because the mean of its divisors is an integer number (155731380).

Almost surely, 2^726746426 is an apocalyptic number.

726746426 is a deficient number, since it is larger than the sum of its proper divisors (519104614).

726746426 is a wasteful number, since it uses less digits than its factorization.

726746426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51910468.

The product of its digits is 677376, while the sum is 44.

The square root of 726746426 is about 26958.2348457758. The cubic root of 726746426 is about 899.0716460202.

The spelling of 726746426 in words is "seven hundred twenty-six million, seven hundred forty-six thousand, four hundred twenty-six".