273206916 has 18 divisors (see below), whose sum is σ = 690606462. Its totient is φ = 91068960.

The previous prime is 273206897. The next prime is 273206929. The reversal of 273206916 is 619602372.

It can be written as a sum of positive squares in only one way, i.e., 240374016 + 32832900 = 15504^2 + 5730^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7589081 = 273206916 / (2 + 7 + 3 + 2 + 0 + 6 + 9 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3794505 + ... + 3794576.

Almost surely, 2^273206916 is an apocalyptic number.

It is an amenable number.

273206916 is an abundant number, since it is smaller than the sum of its proper divisors (417399546).

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

273206916 is a wasteful number, since it uses less digits than its factorization.

273206916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589091 (or 7589086 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 273206916 is about 16528.9720188522. The cubic root of 273206916 is about 648.8792647852.

The spelling of 273206916 in words is "two hundred seventy-three million, two hundred six thousand, nine hundred sixteen".