75420711075 has 96 divisors (see below), whose sum is σ = 132470807040. Its totient is φ = 37797580800.

The previous prime is 75420711059. The next prime is 75420711101. The reversal of 75420711075 is 57011702457.

It is a happy number.

It is not a de Polignac number, because 75420711075 - 2⁴ = 75420711059 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29084979 + ... + 29087571.

It is an arithmetic number, because the mean of its divisors is an integer number (1379904240).

Almost surely, 2^75420711075 is an apocalyptic number.

75420711075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75420711075 is a deficient number, since it is larger than the sum of its proper divisors (57050095965).

75420711075 is a wasteful number, since it uses less digits than its factorization.

75420711075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 39.

The spelling of 75420711075 in words is "seventy-five billion, four hundred twenty million, seven hundred eleven thousand, seventy-five".