2742904 has 8 divisors (see below), whose sum is σ = 5142960. Its totient is φ = 1371448.

The previous prime is 2742893. The next prime is 2742917. The reversal of 2742904 is 4092472.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171424 + ... + 171439.

It is an arithmetic number, because the mean of its divisors is an integer number (642870).

2^2742904 is an apocalyptic number.

It is an amenable number.

2742904 is a deficient number, since it is larger than the sum of its proper divisors (2400056).

2742904 is a wasteful number, since it uses less digits than its factorization.

2742904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342869 (or 342865 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2742904 is about 1656.1714887052. The cubic root of 2742904 is about 139.9813580620.

The spelling of 2742904 in words is "two million, seven hundred forty-two thousand, nine hundred four".