73213682427 has 12 divisors (see below), whose sum is σ = 105770779920. Its totient is φ = 48800960208.

The previous prime is 73213682369. The next prime is 73213682449. The reversal of 73213682427 is 72428631237.

73213682427 is a `hidden beast` number, since 7 + 3 + 213 + 6 + 8 + 2 + 427 = 666.

It is not a de Polignac number, because 73213682427 - 2¹⁰ = 73213681403 is a prime.

It is a super-2 number, since 2×73213682427² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73213682467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623052 + ... + 731177.

It is an arithmetic number, because the mean of its divisors is an integer number (8814231660).

Almost surely, 2^73213682427 is an apocalyptic number.

73213682427 is a deficient number, since it is larger than the sum of its proper divisors (32557097493).

73213682427 is a wasteful number, since it uses less digits than its factorization.

73213682427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360242 (or 1360239 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 73213682427 in words is "seventy-three billion, two hundred thirteen million, six hundred eighty-two thousand, four hundred twenty-seven".