75473722709 has 16 divisors (see below), whose sum is σ = 95422427136. Its totient is φ = 57982369200.

The previous prime is 75473722693. The next prime is 75473722739. The reversal of 75473722709 is 90722737457.

It is not a de Polignac number, because 75473722709 - 2⁴ = 75473722693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75473722739) 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, 6897197 + ... + 6908130.

It is an arithmetic number, because the mean of its divisors is an integer number (5963901696).

Almost surely, 2^75473722709 is an apocalyptic number.

It is an amenable number.

75473722709 is a deficient number, since it is larger than the sum of its proper divisors (19948704427).

75473722709 is a wasteful number, since it uses less digits than its factorization.

75473722709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805416.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 75473722709 in words is "seventy-five billion, four hundred seventy-three million, seven hundred twenty-two thousand, seven hundred nine".