2729100 has 72 divisors (see below), whose sum is σ = 8624448. Its totient is φ = 660800.

The previous prime is 2729099. The next prime is 2729101. The reversal of 2729100 is 19272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2729099) and next prime (2729101).

It is not an unprimeable number, because it can be changed into a prime (2729101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2887 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (119784).

2^2729100 is an apocalyptic number.

2729100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2729100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312224).

2729100 is an abundant number, since it is smaller than the sum of its proper divisors (5895348).

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

2729100 is a wasteful number, since it uses less digits than its factorization.

2729100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2729100 is about 1651.9987893458. The cubic root of 2729100 is about 139.7461385919.

The spelling of 2729100 in words is "two million, seven hundred twenty-nine thousand, one hundred".