1830372372 has 36 divisors (see below), whose sum is σ = 4870290880. Its totient is φ = 578012112.

The previous prime is 1830372367. The next prime is 1830372373. The reversal of 1830372372 is 2732730381.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830372373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337308 + ... + 1338675.

Almost surely, 2^1830372372 is an apocalyptic number.

1830372372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1830372372 is an abundant number, since it is smaller than the sum of its proper divisors (3039918508).

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

1830372372 is a wasteful number, since it uses less digits than its factorization.

1830372372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676012 (or 2676007 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1830372372 is about 42782.8513776256. The cubic root of 1830372372 is about 1223.2441588156.

The spelling of 1830372372 in words is "one billion, eight hundred thirty million, three hundred seventy-two thousand, three hundred seventy-two".