2634742 has 32 divisors (see below), whose sum is σ = 4644864. Its totient is φ = 1108800.

The previous prime is 2634727. The next prime is 2634743. The reversal of 2634742 is 2474362.

It is a d-powerful number, because it can be written as 2³ + 6⁸ + 3⁵ + 4 + 7⁷ + 4⁴ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2634742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20683 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

2^2634742 is an apocalyptic number.

2634742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2634742 is a deficient number, since it is larger than the sum of its proper divisors (2010122).

2634742 is a wasteful number, since it uses less digits than its factorization.

2634742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

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

The square root of 2634742 is about 1623.1888368271. The cubic root of 2634742 is about 138.1166485536.

It can be divided in two parts, 263 and 4742, that added together give a palindrome (5005).

The spelling of 2634742 in words is "two million, six hundred thirty-four thousand, seven hundred forty-two".