372721680 has 120 divisors (see below), whose sum is σ = 1292179200. Its totient is φ = 96180480.

The previous prime is 372721619. The next prime is 372721681. The reversal of 372721680 is 86127273.

It is a tau number, because it is divible by the number of its divisors (120).

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 (372721681) 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 23 ways as a sum of consecutive naturals, for example, 13971 + ... + 30669.

It is an arithmetic number, because the mean of its divisors is an integer number (10768160).

Almost surely, 2^372721680 is an apocalyptic number.

372721680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372721680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646089600).

372721680 is an abundant number, since it is smaller than the sum of its proper divisors (919457520).

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

372721680 is a wasteful number, since it uses less digits than its factorization.

372721680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16749 (or 16740 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 372721680 is about 19306.0011395421. The cubic root of 372721680 is about 719.6614148770.

The spelling of 372721680 in words is "three hundred seventy-two million, seven hundred twenty-one thousand, six hundred eighty".