73455225121 has 8 divisors (see below), whose sum is σ = 76263047424. Its totient is φ = 70674796560.

The previous prime is 73455225091. The next prime is 73455225127. The reversal of 73455225121 is 12152255437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73455225121 - 2⁵ = 73455225089 is a prime.

It is a super-3 number, since 3×73455225121³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73455225127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6842971 + ... + 6853696.

It is an arithmetic number, because the mean of its divisors is an integer number (9532880928).

Almost surely, 2^73455225121 is an apocalyptic number.

It is an amenable number.

73455225121 is a deficient number, since it is larger than the sum of its proper divisors (2807822303).

73455225121 is a wasteful number, since it uses less digits than its factorization.

73455225121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13696871.

The product of its digits is 84000, while the sum is 37.

The spelling of 73455225121 in words is "seventy-three billion, four hundred fifty-five million, two hundred twenty-five thousand, one hundred twenty-one".