75393438 has 16 divisors (see below), whose sum is σ = 153259536. Its totient is φ = 24719040.

The previous prime is 75393407. The next prime is 75393467. The reversal of 75393438 is 83439357.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75393438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102631 + ... + 103362.

It is an arithmetic number, because the mean of its divisors is an integer number (9578721).

Almost surely, 2^75393438 is an apocalyptic number.

75393438 is an abundant number, since it is smaller than the sum of its proper divisors (77866098).

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

75393438 is a wasteful number, since it uses less digits than its factorization.

75393438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206059.

The product of its digits is 272160, while the sum is 42.

The square root of 75393438 is about 8682.9394792317. The cubic root of 75393438 is about 422.4524657375.

The spelling of 75393438 in words is "seventy-five million, three hundred ninety-three thousand, four hundred thirty-eight".