75540338 has 4 divisors (see below), whose sum is σ = 113310510. Its totient is φ = 37770168.

The previous prime is 75540319. The next prime is 75540343. The reversal of 75540338 is 83304557.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67683529 + 7856809 = 8227^2 + 2803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75540298 and 75540307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18885083 + ... + 18885086.

Almost surely, 2^75540338 is an apocalyptic number.

75540338 is a deficient number, since it is larger than the sum of its proper divisors (37770172).

75540338 is a wasteful number, since it uses less digits than its factorization.

75540338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37770171.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 75540338 is about 8691.3944795988. The cubic root of 75540338 is about 422.7266629211.

The spelling of 75540338 in words is "seventy-five million, five hundred forty thousand, three hundred thirty-eight".