75004939 has 8 divisors (see below), whose sum is σ = 75713552. Its totient is φ = 74299680.

The previous prime is 75004889. The next prime is 75004973. The reversal of 75004939 is 93940057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75004939 - 2¹¹ = 75002891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75004898 and 75004907.

It is not an unprimeable number, because it can be changed into a prime (75004639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68077 + ... + 69169.

It is an arithmetic number, because the mean of its divisors is an integer number (9464194).

Almost surely, 2^75004939 is an apocalyptic number.

75004939 is a deficient number, since it is larger than the sum of its proper divisors (708613).

75004939 is a wasteful number, since it uses less digits than its factorization.

75004939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 75004939 is about 8660.5391864479. The cubic root of 75004939 is about 421.7255895898.

The spelling of 75004939 in words is "seventy-five million, four thousand, nine hundred thirty-nine".