1672371272 has 96 divisors (see below), whose sum is σ = 3735396000. Its totient is φ = 695784960.

The previous prime is 1672371227. The next prime is 1672371289. The reversal of 1672371272 is 2721732761.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2066804 + ... + 2067612.

It is an arithmetic number, because the mean of its divisors is an integer number (38910375).

Almost surely, 2^1672371272 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 1672371272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867698000).

1672371272 is an abundant number, since it is smaller than the sum of its proper divisors (2063024728).

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

1672371272 is a wasteful number, since it uses less digits than its factorization.

1672371272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 974 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 1672371272 is about 40894.6362253047. The cubic root of 1672371272 is about 1186.9822725887.

The spelling of 1672371272 in words is "one billion, six hundred seventy-two million, three hundred seventy-one thousand, two hundred seventy-two".