2736261 has 40 divisors (see below), whose sum is σ = 4634784. Its totient is φ = 1594080.

The previous prime is 2736257. The next prime is 2736263. The reversal of 2736261 is 1626372.

It is a happy number.

It is not a de Polignac number, because 2736261 - 2² = 2736257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 3¹³ + 6⁶ + 2¹⁹ + 6⁶ + 1 .

2736261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2736263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32926 + ... + 33008.

2^2736261 is an apocalyptic number.

It is an amenable number.

2736261 is a deficient number, since it is larger than the sum of its proper divisors (1898523).

2736261 is a wasteful number, since it uses less digits than its factorization.

2736261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 134 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2736261 is about 1654.1647439116. The cubic root of 2736261 is about 139.8682604261.

The spelling of 2736261 in words is "two million, seven hundred thirty-six thousand, two hundred sixty-one".