1672177272 has 32 divisors (see below), whose sum is σ = 4212362880. Its totient is φ = 553136480.

The previous prime is 1672177271. The next prime is 1672177343. The reversal of 1672177272 is 2727712761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672177271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262788 + ... + 269075.

It is an arithmetic number, because the mean of its divisors is an integer number (131636340).

Almost surely, 2^1672177272 is an apocalyptic number.

1672177272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1672177272 is an abundant number, since it is smaller than the sum of its proper divisors (2540185608).

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

1672177272 is a wasteful number, since it uses less digits than its factorization.

1672177272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532003 (or 531999 counting only the distinct ones).

The product of its digits is 115248, while the sum is 42.

The square root of 1672177272 is about 40892.2642073045. The cubic root of 1672177272 is about 1186.9363729990.

The spelling of 1672177272 in words is "one billion, six hundred seventy-two million, one hundred seventy-seven thousand, two hundred seventy-two".