726550442 has 8 divisors (see below), whose sum is σ = 1090031232. Its totient is φ = 363206700.

The previous prime is 726550423. The next prime is 726550453. The reversal of 726550442 is 244055627.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19784 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (136253904).

Almost surely, 2^726550442 is an apocalyptic number.

726550442 is a deficient number, since it is larger than the sum of its proper divisors (363480790).

726550442 is a wasteful number, since it uses less digits than its factorization.

726550442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68524.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 726550442 is about 26954.5996445876. The cubic root of 726550442 is about 898.9908202591.

The spelling of 726550442 in words is "seven hundred twenty-six million, five hundred fifty thousand, four hundred forty-two".