75504693407 has 16 divisors (see below), whose sum is σ = 89042139648. Its totient is φ = 63119635680.

The previous prime is 75504693371. The next prime is 75504693419. The reversal of 75504693407 is 70439640557.

It is a cyclic number.

It is not a de Polignac number, because 75504693407 - 2¹⁶ = 75504627871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75504693497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966203 + ... + 1041420.

It is an arithmetic number, because the mean of its divisors is an integer number (5565133728).

Almost surely, 2^75504693407 is an apocalyptic number.

75504693407 is a deficient number, since it is larger than the sum of its proper divisors (13537446241).

75504693407 is a wasteful number, since it uses less digits than its factorization.

75504693407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007910.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 75504693407 in words is "seventy-five billion, five hundred four million, six hundred ninety-three thousand, four hundred seven".