75673409 has 16 divisors (see below), whose sum is σ = 96393600. Its totient is φ = 57832704.

The previous prime is 75673391. The next prime is 75673417. The reversal of 75673409 is 90437657.

It is a cyclic number.

It is not a de Polignac number, because 75673409 - 2⁸ = 75673153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75673439) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 14474 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (6024600).

Almost surely, 2^75673409 is an apocalyptic number.

It is an amenable number.

75673409 is a deficient number, since it is larger than the sum of its proper divisors (20720191).

75673409 is a wasteful number, since it uses less digits than its factorization.

75673409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33512.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 75673409 is about 8699.0464419958. The cubic root of 75673409 is about 422.9747408010.

The spelling of 75673409 in words is "seventy-five million, six hundred seventy-three thousand, four hundred nine".