2729972 has 12 divisors (see below), whose sum is σ = 5460000. Its totient is φ = 1169976.

The previous prime is 2729959. The next prime is 2729983. The reversal of 2729972 is 2799272.

2729972 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48722 + ... + 48777.

It is an arithmetic number, because the mean of its divisors is an integer number (455000).

2^2729972 is an apocalyptic number.

It is an amenable number.

2729972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2729972 is a wasteful number, since it uses less digits than its factorization.

2729972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97510 (or 97508 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 2729972 is about 1652.2626909786. The cubic root of 2729972 is about 139.7610208676.

The spelling of 2729972 in words is "two million, seven hundred twenty-nine thousand, nine hundred seventy-two".