2774542 has 4 divisors (see below), whose sum is σ = 4161816. Its totient is φ = 1387270.

The previous prime is 2774539. The next prime is 2774543. The reversal of 2774542 is 2454772.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693634 + ... + 693637.

It is an arithmetic number, because the mean of its divisors is an integer number (1040454).

2^2774542 is an apocalyptic number.

2774542 is a deficient number, since it is larger than the sum of its proper divisors (1387274).

2774542 is a wasteful number, since it uses less digits than its factorization.

2774542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387273.

The product of its digits is 15680, while the sum is 31.

The square root of 2774542 is about 1665.6956504716. The cubic root of 2774542 is about 140.5175064621.

The spelling of 2774542 in words is "two million, seven hundred seventy-four thousand, five hundred forty-two".