73525257061 has 16 divisors (see below), whose sum is σ = 77250499200. Its totient is φ = 69845688000.

The previous prime is 73525256953. The next prime is 73525257083. The reversal of 73525257061 is 16075252537.

It is a cyclic number.

It is not a de Polignac number, because 73525257061 - 2¹³ = 73525248869 is a prime.

It is a super-3 number, since 3×73525257061³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73525256999 and 73525257017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73525257361) 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, 1996531 + ... + 2033023.

It is an arithmetic number, because the mean of its divisors is an integer number (4828156200).

Almost surely, 2^73525257061 is an apocalyptic number.

It is an amenable number.

73525257061 is a deficient number, since it is larger than the sum of its proper divisors (3725242139).

73525257061 is a wasteful number, since it uses less digits than its factorization.

73525257061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37116.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 73525257061 in words is "seventy-three billion, five hundred twenty-five million, two hundred fifty-seven thousand, sixty-one".