273748327057920 has 320 divisors, whose sum is σ = 1028135547863424. Its totient is φ = 61258366648320.

The previous prime is 273748327057901. The next prime is 273748327057951. The reversal of 273748327057920 is 29750723847372.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 123532227 + ... + 125728706.

Almost surely, 2^{273748327057920} is an apocalyptic number.

273748327057920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273748327057920 is an abundant number, since it is smaller than the sum of its proper divisors (754387220805504).

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

273748327057920 is a wasteful number, since it uses less digits than its factorization.

273748327057920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249260983 (or 249260967 counting only the distinct ones).

The product of its (nonzero) digits is 248935680, while the sum is 66.

The spelling of 273748327057920 in words is "two hundred seventy-three trillion, seven hundred forty-eight billion, three hundred twenty-seven million, fifty-seven thousand, nine hundred twenty".