2742436 has 6 divisors (see below), whose sum is σ = 4799270. Its totient is φ = 1371216.

The previous prime is 2742427. The next prime is 2742461. The reversal of 2742436 is 6342472.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 100 = 1656^2 + 10^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 4⁵ + 2²¹ + 4⁵ + 3 + 6⁴ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342801 + ... + 342808.

2^2742436 is an apocalyptic number.

It is an amenable number.

2742436 is a deficient number, since it is larger than the sum of its proper divisors (2056834).

2742436 is a wasteful number, since it uses less digits than its factorization.

2742436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685613 (or 685611 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 2742436 is about 1656.0301929615. The cubic root of 2742436 is about 139.9733963055.

Subtracting from 2742436 its product of digits (8064), we obtain a palindrome (2734372).

The spelling of 2742436 in words is "two million, seven hundred forty-two thousand, four hundred thirty-six".