7242107287 has 4 divisors (see below), whose sum is σ = 7668113616. Its totient is φ = 6816100960.

The previous prime is 7242107261. The next prime is 7242107291. The reversal of 7242107287 is 7827012427.

7242107287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7242107287 - 2¹¹ = 7242105239 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 (7242107207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213003139 + ... + 213003172.

It is an arithmetic number, because the mean of its divisors is an integer number (1917028404).

Almost surely, 2^7242107287 is an apocalyptic number.

7242107287 is a deficient number, since it is larger than the sum of its proper divisors (426006329).

7242107287 is a wasteful number, since it uses less digits than its factorization.

7242107287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426006328.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 7242107287 is about 85100.5716020756. The cubic root of 7242107287 is about 1934.7357269391.

The spelling of 7242107287 in words is "seven billion, two hundred forty-two million, one hundred seven thousand, two hundred eighty-seven".