273350640 has 40 divisors (see below), whose sum is σ = 847387728. Its totient is φ = 72893440.

The previous prime is 273350629. The next prime is 273350641. The reversal of 273350640 is 46053372.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 273350598 and 273350607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273350641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569241 + ... + 569720.

Almost surely, 2^273350640 is an apocalyptic number.

273350640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273350640 is an abundant number, since it is smaller than the sum of its proper divisors (574037088).

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

273350640 is a wasteful number, since it uses less digits than its factorization.

273350640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138977 (or 1138971 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 273350640 is about 16533.3190860154. The cubic root of 273350640 is about 648.9930285900.

The spelling of 273350640 in words is "two hundred seventy-three million, three hundred fifty thousand, six hundred forty".