73525290045 has 32 divisors (see below), whose sum is σ = 117990364800. Its totient is φ = 39096981504.

The previous prime is 73525290023. The next prime is 73525290049. The reversal of 73525290045 is 54009252537.

It is not a de Polignac number, because 73525290045 - 2⁹ = 73525289533 is a prime.

It is a super-2 number, since 2×73525290045² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73525289979 and 73525290006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73525290049) 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 31 ways as a sum of consecutive naturals, for example, 13565346 + ... + 13570764.

It is an arithmetic number, because the mean of its divisors is an integer number (3687198900).

Almost surely, 2^73525290045 is an apocalyptic number.

It is an amenable number.

73525290045 is a deficient number, since it is larger than the sum of its proper divisors (44465074755).

73525290045 is a wasteful number, since it uses less digits than its factorization.

73525290045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 73525290045 in words is "seventy-three billion, five hundred twenty-five million, two hundred ninety thousand, forty-five".