723690020 has 48 divisors (see below), whose sum is σ = 1562803200. Its totient is φ = 281361024.

The previous prime is 723690013. The next prime is 723690049. The reversal of 723690020 is 20096327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137477 + ... + 142643.

It is an arithmetic number, because the mean of its divisors is an integer number (32558400).

Almost surely, 2^723690020 is an apocalyptic number.

It is an amenable number.

723690020 is an abundant number, since it is smaller than the sum of its proper divisors (839113180).

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

723690020 is a wasteful number, since it uses less digits than its factorization.

723690020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 723690020 is about 26901.4873194773. The cubic root of 723690020 is about 897.8094959172.

The spelling of 723690020 in words is "seven hundred twenty-three million, six hundred ninety thousand, twenty".