1449732725 has 24 divisors (see below), whose sum is σ = 2074450560. Its totient is φ = 984438720.

The previous prime is 1449732721. The next prime is 1449732731. The reversal of 1449732725 is 5272379441.

It is not a de Polignac number, because 1449732725 - 2² = 1449732721 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449732721) 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, 22190 + ... + 58239.

It is an arithmetic number, because the mean of its divisors is an integer number (86435440).

Almost surely, 2^1449732725 is an apocalyptic number.

It is an amenable number.

1449732725 is a deficient number, since it is larger than the sum of its proper divisors (624717835).

1449732725 is a wasteful number, since it uses less digits than its factorization.

1449732725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80549 (or 80544 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 1449732725 is about 38075.3558748963. The cubic root of 1449732725 is about 1131.7816478899.

The spelling of 1449732725 in words is "one billion, four hundred forty-nine million, seven hundred thirty-two thousand, seven hundred twenty-five".