2723490642 has 16 divisors (see below), whose sum is σ = 5448490560. Its totient is φ = 907578672.

The previous prime is 2723490629. The next prime is 2723490667. The reversal of 2723490642 is 2460943272.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2723490642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38713 + ... + 83340.

It is an arithmetic number, because the mean of its divisors is an integer number (340530660).

Almost surely, 2^2723490642 is an apocalyptic number.

2723490642 is an abundant number, since it is smaller than the sum of its proper divisors (2724999918).

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

2723490642 is a wasteful number, since it uses less digits than its factorization.

2723490642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125777.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 2723490642 is about 52187.0735144250. The cubic root of 2723490642 is about 1396.5032876472.

The spelling of 2723490642 in words is "two billion, seven hundred twenty-three million, four hundred ninety thousand, six hundred forty-two".