75427384 has 8 divisors (see below), whose sum is σ = 141426360. Its totient is φ = 37713688.

The previous prime is 75427379. The next prime is 75427409. The reversal of 75427384 is 48372457.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714204 + ... + 4714219.

It is an arithmetic number, because the mean of its divisors is an integer number (17678295).

Almost surely, 2^75427384 is an apocalyptic number.

It is an amenable number.

75427384 is a deficient number, since it is larger than the sum of its proper divisors (65998976).

75427384 is a wasteful number, since it uses less digits than its factorization.

75427384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428429 (or 9428425 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 75427384 is about 8684.8940120188. The cubic root of 75427384 is about 422.5158594936.

The spelling of 75427384 in words is "seventy-five million, four hundred twenty-seven thousand, three hundred eighty-four".