372881920 has 80 divisors (see below), whose sum is σ = 902654280. Its totient is φ = 147718144.

The previous prime is 372881917. The next prime is 372881923. The reversal of 372881920 is 29188273.

It is an interprime number because it is at equal distance from previous prime (372881917) and next prime (372881923).

It can be written as a sum of positive squares in 4 ways, for example, as 246364416 + 126517504 = 15696^2 + 11248^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (372881923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288636 + ... + 289924.

Almost surely, 2^372881920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372881920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451327140).

372881920 is an abundant number, since it is smaller than the sum of its proper divisors (529772360).

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

372881920 is a wasteful number, since it uses less digits than its factorization.

372881920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 372881920 is about 19310.1506985316. The cubic root of 372881920 is about 719.7645320547.

The spelling of 372881920 in words is "three hundred seventy-two million, eight hundred eighty-one thousand, nine hundred twenty".