723760642 has 16 divisors (see below), whose sum is σ = 1235829312. Its totient is φ = 314678320.

The previous prime is 723760637. The next prime is 723760657. The reversal of 723760642 is 246067327.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 714673 + ... + 715684.

It is an arithmetic number, because the mean of its divisors is an integer number (77239332).

Almost surely, 2^723760642 is an apocalyptic number.

723760642 is a deficient number, since it is larger than the sum of its proper divisors (512068670).

723760642 is a wasteful number, since it uses less digits than its factorization.

723760642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430393.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 723760642 is about 26902.7998914611. The cubic root of 723760642 is about 897.8386995072.

The spelling of 723760642 in words is "seven hundred twenty-three million, seven hundred sixty thousand, six hundred forty-two".