723628140 has 48 divisors (see below), whose sum is σ = 2056411392. Its totient is φ = 190086336.

The previous prime is 723628067. The next prime is 723628141. The reversal of 723628140 is 41826327.

It is not an unprimeable number, because it can be changed into a prime (723628141) by changing a digit.

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, 85984 + ... + 94023.

It is an arithmetic number, because the mean of its divisors is an integer number (42841904).

Almost surely, 2^723628140 is an apocalyptic number.

It is an amenable number.

723628140 is an abundant number, since it is smaller than the sum of its proper divisors (1332783252).

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

723628140 is a wasteful number, since it uses less digits than its factorization.

723628140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180086 (or 180084 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 723628140 is about 26900.3371726081. The cubic root of 723628140 is about 897.7839057549.

The spelling of 723628140 in words is "seven hundred twenty-three million, six hundred twenty-eight thousand, one hundred forty".