726233057 has 4 divisors (see below), whose sum is σ = 792254256. Its totient is φ = 660211860.

The previous prime is 726233021. The next prime is 726233069. The reversal of 726233057 is 750332627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 726233057 - 2¹² = 726228961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726233087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33010583 + ... + 33010604.

It is an arithmetic number, because the mean of its divisors is an integer number (198063564).

Almost surely, 2^726233057 is an apocalyptic number.

It is an amenable number.

726233057 is a deficient number, since it is larger than the sum of its proper divisors (66021199).

726233057 is a wasteful number, since it uses less digits than its factorization.

726233057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66021198.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 726233057 is about 26948.7116018558. The cubic root of 726233057 is about 898.8598966773.

The spelling of 726233057 in words is "seven hundred twenty-six million, two hundred thirty-three thousand, fifty-seven".