2497300729 has 45 divisors (see below), whose sum is σ = 3250584885. Its totient is φ = 1912966440.

The previous prime is 2497300711. The next prime is 2497300769. The reversal of 2497300729 is 9270037942.

It is a happy number.

The square root of 2497300729 is 49973.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-2497300729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497300769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 42327102 + ... + 42327160.

Almost surely, 2^2497300729 is an apocalyptic number.

2497300729 is the 49973-rd square number.

2497300729 is the 24987-th centered octagonal number.

It is an amenable number.

2497300729 is a deficient number, since it is larger than the sum of its proper divisors (753284156).

2497300729 is an frugal number, since it uses more digits than its factorization.

2497300729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The cubic root of 2497300729 is about 1356.7201691423.

The spelling of 2497300729 in words is "two billion, four hundred ninety-seven million, three hundred thousand, seven hundred twenty-nine".