273220542 has 96 divisors (see below), whose sum is σ = 730529280. Its totient is φ = 72072000.

The previous prime is 273220537. The next prime is 273220547. The reversal of 273220542 is 245022372.

It is an interprime number because it is at equal distance from previous prime (273220537) and next prime (273220547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273220547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82417 + ... + 85667.

It is an arithmetic number, because the mean of its divisors is an integer number (7609680).

Almost surely, 2^273220542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273220542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365264640).

273220542 is an abundant number, since it is smaller than the sum of its proper divisors (457308738).

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

273220542 is a wasteful number, since it uses less digits than its factorization.

273220542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 273220542 is about 16529.3841990559. The cubic root of 273220542 is about 648.8900520693.

The spelling of 273220542 in words is "two hundred seventy-three million, two hundred twenty thousand, five hundred forty-two".