273215964 has 96 divisors (see below), whose sum is σ = 762048000. Its totient is φ = 76110720.

The previous prime is 273215963. The next prime is 273215977. The reversal of 273215964 is 469512372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273215963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167947 + ... + 169565.

It is an arithmetic number, because the mean of its divisors is an integer number (7938000).

Almost surely, 2^273215964 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 273215964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381024000).

273215964 is an abundant number, since it is smaller than the sum of its proper divisors (488832036).

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

273215964 is a wasteful number, since it uses less digits than its factorization.

273215964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1672 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 273215964 is about 16529.2457178179. The cubic root of 273215964 is about 648.8864278478.

The spelling of 273215964 in words is "two hundred seventy-three million, two hundred fifteen thousand, nine hundred sixty-four".