723378620 has 12 divisors (see below), whose sum is σ = 1519095144. Its totient is φ = 289351440.

The previous prime is 723378613. The next prime is 723378629. The reversal of 723378620 is 26873327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723378629) 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, 18084446 + ... + 18084485.

It is an arithmetic number, because the mean of its divisors is an integer number (126591262).

Almost surely, 2^723378620 is an apocalyptic number.

It is an amenable number.

723378620 is an abundant number, since it is smaller than the sum of its proper divisors (795716524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723378620 is a wasteful number, since it uses less digits than its factorization.

723378620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36168940 (or 36168938 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 723378620 is about 26895.6989126514. The cubic root of 723378620 is about 897.6807032117.

The spelling of 723378620 in words is "seven hundred twenty-three million, three hundred seventy-eight thousand, six hundred twenty".