693720072 has 32 divisors (see below), whose sum is σ = 1927000800. Its totient is φ = 231239952.

The previous prime is 693720031. The next prime is 693720073. The reversal of 693720072 is 270027396.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (693720073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1605618 + ... + 1606049.

It is an arithmetic number, because the mean of its divisors is an integer number (60218775).

Almost surely, 2^693720072 is an apocalyptic number.

It is an amenable number.

693720072 is an abundant number, since it is smaller than the sum of its proper divisors (1233280728).

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

693720072 is a wasteful number, since it uses less digits than its factorization.

693720072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211682 (or 3211672 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 693720072 is about 26338.5662479946. The cubic root of 693720072 is about 885.2407962980.

The spelling of 693720072 in words is "six hundred ninety-three million, seven hundred twenty thousand, seventy-two".