273490560 has 768 divisors, whose sum is σ = 1255824000. Its totient is φ = 55738368.

The previous prime is 273490559. The next prime is 273490571. The reversal of 273490560 is 65094372.

273490560 is a `hidden beast` number, since 2 + 7 + 3 + 4 + 90 + 560 = 666.

It is a super-2 number, since 2×273490560² = 149594172818227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14394231 + ... + 14394249.

Almost surely, 2^273490560 is an apocalyptic number.

273490560 is a gapful number since it is divisible by the number (20) 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 273490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627912000).

273490560 is an abundant number, since it is smaller than the sum of its proper divisors (982333440).

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

273490560 is a wasteful number, since it uses less digits than its factorization.

273490560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 273490560 is about 16537.5499999244. The cubic root of 273490560 is about 649.1037430618.

The spelling of 273490560 in words is "two hundred seventy-three million, four hundred ninety thousand, five hundred sixty".