75493420 has 12 divisors (see below), whose sum is σ = 158536224. Its totient is φ = 30197360.

The previous prime is 75493399. The next prime is 75493459. The reversal of 75493420 is 2439457.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887316 + ... + 1887355.

It is an arithmetic number, because the mean of its divisors is an integer number (13211352).

Almost surely, 2^75493420 is an apocalyptic number.

It is an amenable number.

75493420 is an abundant number, since it is smaller than the sum of its proper divisors (83042804).

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

75493420 is a wasteful number, since it uses less digits than its factorization.

75493420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774680 (or 3774678 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 75493420 is about 8688.6949537891. The cubic root of 75493420 is about 422.6391264794.

The spelling of 75493420 in words is "seventy-five million, four hundred ninety-three thousand, four hundred twenty".