723087442 has 32 divisors (see below), whose sum is σ = 1367487360. Its totient is φ = 278551680.

The previous prime is 723087437. The next prime is 723087511. The reversal of 723087442 is 244780327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12673 + ... + 40084.

It is an arithmetic number, because the mean of its divisors is an integer number (42733980).

Almost surely, 2^723087442 is an apocalyptic number.

723087442 is a deficient number, since it is larger than the sum of its proper divisors (644399918).

723087442 is a wasteful number, since it uses less digits than its factorization.

723087442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52866.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 723087442 is about 26890.2852718226. The cubic root of 723087442 is about 897.5602407301.

The spelling of 723087442 in words is "seven hundred twenty-three million, eighty-seven thousand, four hundred forty-two".