73212195053 has 8 divisors (see below), whose sum is σ = 77534142840. Its totient is φ = 68891952640.

The previous prime is 73212195031. The next prime is 73212195061. The reversal of 73212195053 is 35059121237.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 680009929 + 72532185124 = 26077^2 + 269318^2 .

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 73212195053 - 2¹⁸ = 73211932909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73212194998 and 73212195016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73242195053) 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, 337418 + ... + 510171.

It is an arithmetic number, because the mean of its divisors is an integer number (9691767855).

Almost surely, 2^73212195053 is an apocalyptic number.

It is an amenable number.

73212195053 is a deficient number, since it is larger than the sum of its proper divisors (4321947787).

73212195053 is a wasteful number, since it uses less digits than its factorization.

73212195053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852687.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 73212195053 in words is "seventy-three billion, two hundred twelve million, one hundred ninety-five thousand, fifty-three".