273991872 has 224 divisors, whose sum is σ = 926982144. Its totient is φ = 69350400.

The previous prime is 273991867. The next prime is 273991903. The reversal of 273991872 is 278199372.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635497 + ... + 635927.

Almost surely, 2^273991872 is an apocalyptic number.

273991872 is a gapful number since it is divisible by the number (22) 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 273991872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463491072).

273991872 is an abundant number, since it is smaller than the sum of its proper divisors (652990272).

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

273991872 is a wasteful number, since it uses less digits than its factorization.

273991872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 497 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 273991872 is about 16552.6998402073. The cubic root of 273991872 is about 649.5001063766.

The spelling of 273991872 in words is "two hundred seventy-three million, nine hundred ninety-one thousand, eight hundred seventy-two".