723458880 has 84 divisors (see below), whose sum is σ = 2488407012. Its totient is φ = 192921600.

The previous prime is 723458849. The next prime is 723458909. The reversal of 723458880 is 88854327.

It can be written as a sum of positive squares in 2 ways, for example, as 299428416 + 424030464 = 17304^2 + 20592^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122721 + ... + 128480.

It is an arithmetic number, because the mean of its divisors is an integer number (29623893).

Almost surely, 2^723458880 is an apocalyptic number.

It is an amenable number.

723458880 is an abundant number, since it is smaller than the sum of its proper divisors (1764948132).

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

723458880 is a wasteful number, since it uses less digits than its factorization.

723458880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251224 (or 251211 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 723458880 is about 26897.1909313965. The cubic root of 723458880 is about 897.7139016810.

It can be divided in two parts, 72345 and 8880, that added together give a square (81225 = 285²).

The spelling of 723458880 in words is "seven hundred twenty-three million, four hundred fifty-eight thousand, eight hundred eighty".