73896469837 has 4 divisors (see below), whose sum is σ = 74026341180. Its totient is φ = 73766598496.

The previous prime is 73896469831. The next prime is 73896469861.

73896469837 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31369368996 + 42527100841 = 177114^2 + 206221^2 .

It is a cyclic number.

It is not a de Polignac number, because 73896469837 - 2⁷ = 73896469709 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 (73896469831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64934818 + ... + 64935955.

It is an arithmetic number, because the mean of its divisors is an integer number (18506585295).

Almost surely, 2^73896469837 is an apocalyptic number.

It is an amenable number.

73896469837 is a deficient number, since it is larger than the sum of its proper divisors (129871343).

73896469837 is a wasteful number, since it uses less digits than its factorization.

73896469837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129871342.

The product of its digits is 329204736, while the sum is 70.

The spelling of 73896469837 in words is "seventy-three billion, eight hundred ninety-six million, four hundred sixty-nine thousand, eight hundred thirty-seven".