2742369 has 8 divisors (see below), whose sum is σ = 4178880. Its totient is φ = 1567056.

The previous prime is 2742361. The next prime is 2742371. The reversal of 2742369 is 9632472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2742369 - 2³ = 2742361 is a prime.

It is a super-2 number, since 2×2742369² = 15041175464322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 7³ + 4⁸ + 2²¹ + 3¹² + 6⁶ + 9³ .

It is not an unprimeable number, because it can be changed into a prime (2742361) 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, 65274 + ... + 65315.

It is an arithmetic number, because the mean of its divisors is an integer number (522360).

2^2742369 is an apocalyptic number.

It is an amenable number.

2742369 is a deficient number, since it is larger than the sum of its proper divisors (1436511).

2742369 is a wasteful number, since it uses less digits than its factorization.

2742369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130599.

The product of its digits is 18144, while the sum is 33.

The square root of 2742369 is about 1656.0099637381. The cubic root of 2742369 is about 139.9722564072.

Subtracting from 2742369 its sum of digits (33), we obtain a square (2742336 = 1656²).

It can be divided in two parts, 2 and 742369, that added together give a triangular number (742371 = T₁₂₁₈).

The spelling of 2742369 in words is "two million, seven hundred forty-two thousand, three hundred sixty-nine".