3686451072 has 32 divisors (see below), whose sum is σ = 9792136680. Its totient is φ = 1228816896.

The previous prime is 3686451049. The next prime is 3686451101. The reversal of 3686451072 is 2701546863.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799683 + ... + 4800450.

Almost surely, 2^3686451072 is an apocalyptic number.

3686451072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3686451072 is an abundant number, since it is smaller than the sum of its proper divisors (6105685608).

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

3686451072 is an equidigital number, since it uses as much as digits as its factorization.

3686451072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600150 (or 9600138 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3686451072 is about 60716.1516567050. The cubic root of 3686451072 is about 1544.7901492298.

The spelling of 3686451072 in words is "three billion, six hundred eighty-six million, four hundred fifty-one thousand, seventy-two".