2724978 has 16 divisors (see below), whose sum is σ = 5471136. Its totient is φ = 904800.

The previous prime is 2724959. The next prime is 2724979. The reversal of 2724978 is 8794272.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2724979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (341946).

2^2724978 is an apocalyptic number.

2724978 is an abundant number, since it is smaller than the sum of its proper divisors (2746158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2724978 is a wasteful number, since it uses less digits than its factorization.

2724978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its digits is 56448, while the sum is 39.

The square root of 2724978 is about 1650.7507383006. The cubic root of 2724978 is about 139.6757461746.

The spelling of 2724978 in words is "two million, seven hundred twenty-four thousand, nine hundred seventy-eight".