7440270049 has 3 divisors (see below), whose sum is σ = 7440356307. Its totient is φ = 7440183792.

The previous prime is 7440270001. The next prime is 7440270053. The reversal of 7440270049 is 9400720447.

The square root of 7440270049 is 86257.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9400720447 = 6311 ⋅1489577.

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 7390497024 = 7055^2 + 85968^2 .

It is not a de Polignac number, because 7440270049 - 2⁹ = 7440269537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7440220049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43129 + ... + 129385.

It is an arithmetic number, because the mean of its divisors is an integer number (2480118769).

Almost surely, 2^7440270049 is an apocalyptic number.

7440270049 is the 86257-th square number.

7440270049 is the 43129-th centered octagonal number.

It is an amenable number.

7440270049 is a deficient number, since it is larger than the sum of its proper divisors (86258).

7440270049 is an frugal number, since it uses more digits than its factorization.

7440270049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172514 (or 86257 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The cubic root of 7440270049 is about 1952.2236346598.

The spelling of 7440270049 in words is "seven billion, four hundred forty million, two hundred seventy thousand, forty-nine".