7427142536 has 16 divisors (see below), whose sum is σ = 15191882640. Its totient is φ = 3375973840.

The previous prime is 7427142517. The next prime is 7427142539. The reversal of 7427142536 is 6352417247.

It is a super-2 number, since 2×7427142536² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7427142493 and 7427142502.

It is not an unprimeable number, because it can be changed into a prime (7427142539) 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, 42199586 + ... + 42199761.

It is an arithmetic number, because the mean of its divisors is an integer number (949492665).

Almost surely, 2^7427142536 is an apocalyptic number.

It is an amenable number.

7427142536 is an abundant number, since it is smaller than the sum of its proper divisors (7764740104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7427142536 is a wasteful number, since it uses less digits than its factorization.

7427142536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84399364 (or 84399360 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 7427142536 is about 86180.8710561688. The cubic root of 7427142536 is about 1951.0747996381.

The spelling of 7427142536 in words is "seven billion, four hundred twenty-seven million, one hundred forty-two thousand, five hundred thirty-six".