73475641525 has 24 divisors (see below), whose sum is σ = 107038086624. Its totient is φ = 49326302400.

The previous prime is 73475641523. The next prime is 73475641549. The reversal of 73475641525 is 52514657437.

It is not a de Polignac number, because 73475641525 - 2¹ = 73475641523 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 (73475641523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10272739 + ... + 10279888.

It is an arithmetic number, because the mean of its divisors is an integer number (4459920276).

Almost surely, 2^73475641525 is an apocalyptic number.

It is an amenable number.

73475641525 is a deficient number, since it is larger than the sum of its proper divisors (33562445099).

73475641525 is a wasteful number, since it uses less digits than its factorization.

73475641525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552661 (or 20552656 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The spelling of 73475641525 in words is "seventy-three billion, four hundred seventy-five million, six hundred forty-one thousand, five hundred twenty-five".