75420158 has 32 divisors (see below), whose sum is σ = 131898240. Its totient is φ = 31980960.

The previous prime is 75420133. The next prime is 75420187. The reversal of 75420158 is 85102457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26660 + ... + 29352.

It is an arithmetic number, because the mean of its divisors is an integer number (4121820).

Almost surely, 2^75420158 is an apocalyptic number.

75420158 is a deficient number, since it is larger than the sum of its proper divisors (56478082).

75420158 is a wasteful number, since it uses less digits than its factorization.

75420158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 75420158 is about 8684.4779923724. The cubic root of 75420158 is about 422.5023666172.

The spelling of 75420158 in words is "seventy-five million, four hundred twenty thousand, one hundred fifty-eight".