2731800348 has 36 divisors (see below), whose sum is σ = 7143503640. Its totient is φ = 879199776.

The previous prime is 2731800341. The next prime is 2731800349. The reversal of 2731800348 is 8430081372.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2731800348² = 14925466282665842208, 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 not an unprimeable number, because it can be changed into a prime (2731800341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307290 + ... + 1309377.

Almost surely, 2^2731800348 is an apocalyptic number.

It is an amenable number.

2731800348 is an abundant number, since it is smaller than the sum of its proper divisors (4411703292).

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

2731800348 is a wasteful number, since it uses less digits than its factorization.

2731800348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616706 (or 2616701 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2731800348 is about 52266.6274787268. The cubic root of 2731800348 is about 1397.9221468677.

The spelling of 2731800348 in words is "two billion, seven hundred thirty-one million, eight hundred thousand, three hundred forty-eight".