42975296727 has 16 divisors (see below), whose sum is σ = 66186554112. Its totient is φ = 24513537920.

The previous prime is 42975296711. The next prime is 42975296743. The reversal of 42975296727 is 72769257924.

42975296727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42975296711) and next prime (42975296743).

It is a cyclic number.

It is not a de Polignac number, because 42975296727 - 2⁴ = 42975296711 is a prime.

It is a super-2 number, since 2×42975296727² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975296747) 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, 38301843 + ... + 38302964.

It is an arithmetic number, because the mean of its divisors is an integer number (4136659632).

Almost surely, 2^42975296727 is an apocalyptic number.

42975296727 is a deficient number, since it is larger than the sum of its proper divisors (23211257385).

42975296727 is a wasteful number, since it uses less digits than its factorization.

42975296727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76604838.

The product of its digits is 26671680, while the sum is 60.

The spelling of 42975296727 in words is "forty-two billion, nine hundred seventy-five million, two hundred ninety-six thousand, seven hundred twenty-seven".