1672380 has 96 divisors (see below), whose sum is σ = 5510400. Its totient is φ = 419904.

The previous prime is 1672379. The next prime is 1672381. The reversal of 1672380 is 832761.

It is an interprime number because it is at equal distance from previous prime (1672379) and next prime (1672381).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10179 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (57400).

2^1672380 is an apocalyptic number.

1672380 is a gapful number since it is divisible by the number (10) 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 1672380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2755200).

1672380 is an abundant number, since it is smaller than the sum of its proper divisors (3838020).

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

1672380 is a wasteful number, since it uses less digits than its factorization.

1672380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1672380 is about 1293.2053201252. The cubic root of 1672380 is about 118.6984337514.

The spelling of 1672380 in words is "one million, six hundred seventy-two thousand, three hundred eighty".