2450762721 has 24 divisors (see below), whose sum is σ = 4088975904. Its totient is φ = 1397938560.

The previous prime is 2450762719. The next prime is 2450762731. The reversal of 2450762721 is 1272670542.

It is a happy number.

2450762721 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 7 + 627 + 21 = 666.

It is not a de Polignac number, because 2450762721 - 2¹ = 2450762719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2450762731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726411 + ... + 729776.

It is an arithmetic number, because the mean of its divisors is an integer number (170373996).

Almost surely, 2^2450762721 is an apocalyptic number.

It is an amenable number.

2450762721 is a deficient number, since it is larger than the sum of its proper divisors (1638213183).

2450762721 is a wasteful number, since it uses less digits than its factorization.

2450762721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456221 (or 1456218 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2450762721 is about 49505.1787290986. The cubic root of 2450762721 is about 1348.2396297937.

The spelling of 2450762721 in words is "two billion, four hundred fifty million, seven hundred sixty-two thousand, seven hundred twenty-one".