73890609837 has 96 divisors (see below), whose sum is σ = 116327715840. Its totient is φ = 41540928000.

The previous prime is 73890609799. The next prime is 73890609847.

73890609837 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 73890609837 - 2⁶ = 73890609773 is a prime.

It is a super-2 number, since 2×73890609837² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73890609847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 166795738 + ... + 166796180.

It is an arithmetic number, because the mean of its divisors is an integer number (1211747040).

Almost surely, 2^73890609837 is an apocalyptic number.

It is an amenable number.

73890609837 is a deficient number, since it is larger than the sum of its proper divisors (42437106003).

73890609837 is a wasteful number, since it uses less digits than its factorization.

73890609837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

It can be divided in two parts, 73 and 890609837, that added together give a triangular number (890609910 = T₄₂₂₀₄).

The spelling of 73890609837 in words is "seventy-three billion, eight hundred ninety million, six hundred nine thousand, eight hundred thirty-seven".