7538740287 has 16 divisors (see below), whose sum is σ = 11461615200. Its totient is φ = 4366328832.

The previous prime is 7538740267. The next prime is 7538740309. The reversal of 7538740287 is 7820478357.

It is a happy number.

It is not a de Polignac number, because 7538740287 - 2¹⁴ = 7538723903 is a prime.

It is a super-2 number, since 2×7538740287² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538740267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5684662 + ... + 5685987.

It is an arithmetic number, because the mean of its divisors is an integer number (716350950).

Almost surely, 2^7538740287 is an apocalyptic number.

7538740287 is a deficient number, since it is larger than the sum of its proper divisors (3922874913).

7538740287 is a wasteful number, since it uses less digits than its factorization.

7538740287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11370682.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The square root of 7538740287 is about 86825.9194422956. The cubic root of 7538740287 is about 1960.7983252664.

The spelling of 7538740287 in words is "seven billion, five hundred thirty-eight million, seven hundred forty thousand, two hundred eighty-seven".