2742499 has 4 divisors (see below), whose sum is σ = 2787520. Its totient is φ = 2697480.

The previous prime is 2742473. The next prime is 2742503. The reversal of 2742499 is 9942472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2742499 - 2⁷ = 2742371 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 7⁶ + 4⁷ + 2²¹ + 4⁹ + 9⁵ + 9⁵ .

It is a Duffinian number.

2742499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2742409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22419 + ... + 22540.

It is an arithmetic number, because the mean of its divisors is an integer number (696880).

2^2742499 is an apocalyptic number.

2742499 is a deficient number, since it is larger than the sum of its proper divisors (45021).

2742499 is an equidigital number, since it uses as much as digits as its factorization.

2742499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45020.

The product of its digits is 36288, while the sum is 37.

The square root of 2742499 is about 1656.0492142446. The cubic root of 2742499 is about 139.9744681331.

The spelling of 2742499 in words is "two million, seven hundred forty-two thousand, four hundred ninety-nine".