75038478 has 16 divisors (see below), whose sum is σ = 150304896. Its totient is φ = 24974840.

The previous prime is 75038477. The next prime is 75038497. The reversal of 75038478 is 87483057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75038473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (9394056).

Almost surely, 2^75038478 is an apocalyptic number.

75038478 is an abundant number, since it is smaller than the sum of its proper divisors (75266418).

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

75038478 is a wasteful number, since it uses less digits than its factorization.

75038478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 75038478 is about 8662.4752813500. The cubic root of 75038478 is about 421.7884394368.

The spelling of 75038478 in words is "seventy-five million, thirty-eight thousand, four hundred seventy-eight".