180942072 has 16 divisors (see below), whose sum is σ = 452355240. Its totient is φ = 60314016.

The previous prime is 180942019. The next prime is 180942089. The reversal of 180942072 is 270249081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769603 + ... + 3769650.

Almost surely, 2^180942072 is an apocalyptic number.

180942072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180942072 is an abundant number, since it is smaller than the sum of its proper divisors (271413168).

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

180942072 is a wasteful number, since it uses less digits than its factorization.

180942072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539262 (or 7539258 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 180942072 is about 13451.4709976270. The cubic root of 180942072 is about 565.6049301793.

The spelling of 180942072 in words is "one hundred eighty million, nine hundred forty-two thousand, seventy-two".