7270444287 has 6 divisors (see below), whose sum is σ = 10501752872. Its totient is φ = 4846962852.

The previous prime is 7270444277. The next prime is 7270444289. The reversal of 7270444287 is 7824440727.

7270444287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7270444287 - 2¹⁹ = 7269919999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7270444289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403913563 + ... + 403913580.

Almost surely, 2^7270444287 is an apocalyptic number.

7270444287 is a deficient number, since it is larger than the sum of its proper divisors (3231308585).

7270444287 is a wasteful number, since it uses less digits than its factorization.

7270444287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807827149 (or 807827146 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 7270444287 is about 85266.9003013479. The cubic root of 7270444287 is about 1937.2558615281.

The spelling of 7270444287 in words is "seven billion, two hundred seventy million, four hundred forty-four thousand, two hundred eighty-seven".