1672215296 has 72 divisors (see below), whose sum is σ = 3493841904. Its totient is φ = 797921280.

The previous prime is 1672215247. The next prime is 1672215329. The reversal of 1672215296 is 6925122761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500351 + ... + 503681.

It is an arithmetic number, because the mean of its divisors is an integer number (48525582).

Almost surely, 2^1672215296 is an apocalyptic number.

1672215296 is a gapful number since it is divisible by the number (16) 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 1672215296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746920952).

1672215296 is an abundant number, since it is smaller than the sum of its proper divisors (1821626608).

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

1672215296 is an equidigital number, since it uses as much as digits as its factorization.

1672215296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3423 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 1672215296 is about 40892.7291336736. The cubic root of 1672215296 is about 1186.9453695982.

The spelling of 1672215296 in words is "one billion, six hundred seventy-two million, two hundred fifteen thousand, two hundred ninety-six".