723377642 has 32 divisors (see below), whose sum is σ = 1258286400. Its totient is φ = 308890368.

The previous prime is 723377617. The next prime is 723377663. The reversal of 723377642 is 246773327.

It is a self number, because there is not a number n which added to its sum of digits gives 723377642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12209 + ... + 39947.

It is an arithmetic number, because the mean of its divisors is an integer number (39321450).

Almost surely, 2^723377642 is an apocalyptic number.

723377642 is a deficient number, since it is larger than the sum of its proper divisors (534908758).

723377642 is a wasteful number, since it uses less digits than its factorization.

723377642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27830.

The product of its digits is 296352, while the sum is 41.

The square root of 723377642 is about 26895.6807312996. The cubic root of 723377642 is about 897.6802986600.

The spelling of 723377642 in words is "seven hundred twenty-three million, three hundred seventy-seven thousand, six hundred forty-two".