723414420 has 72 divisors (see below), whose sum is σ = 2197147680. Its totient is φ = 192665280.

The previous prime is 723414407. The next prime is 723414431. The reversal of 723414420 is 24414327.

723414420 is a `hidden beast` number, since 7 + 234 + 1 + 4 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172711 + ... + 176849.

It is an arithmetic number, because the mean of its divisors is an integer number (30515940).

Almost surely, 2^723414420 is an apocalyptic number.

It is an amenable number.

723414420 is an abundant number, since it is smaller than the sum of its proper divisors (1473733260).

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

723414420 is a wasteful number, since it uses less digits than its factorization.

723414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125 (or 5120 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 723414420 is about 26896.3644383400. The cubic root of 723414420 is about 897.6955117034.

Adding to 723414420 its reverse (24414327), we get a palindrome (747828747).

The spelling of 723414420 in words is "seven hundred twenty-three million, four hundred fourteen thousand, four hundred twenty".