7531420075 has 6 divisors (see below), whose sum is σ = 9338960924. Its totient is φ = 6025136040.

The previous prime is 7531420067. The next prime is 7531420103. The reversal of 7531420075 is 5700241357.

It is not a de Polignac number, because 7531420075 - 2³ = 7531420067 is a prime.

It is a super-2 number, since 2×7531420075² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7531420075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150628377 + ... + 150628426.

Almost surely, 2^7531420075 is an apocalyptic number.

7531420075 is a deficient number, since it is larger than the sum of its proper divisors (1807540849).

7531420075 is a wasteful number, since it uses less digits than its factorization.

7531420075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301256813 (or 301256808 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7531420075 is about 86783.7546721735. The cubic root of 7531420075 is about 1960.1634664267.

The spelling of 7531420075 in words is "seven billion, five hundred thirty-one million, four hundred twenty thousand, seventy-five".