73756828427 has 4 divisors (see below), whose sum is σ = 73759663296. Its totient is φ = 73753993560.

The previous prime is 73756828351. The next prime is 73756828429. The reversal of 73756828427 is 72482865737.

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

It is a cyclic number.

It is not a de Polignac number, because 73756828427 - 2¹² = 73756824331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73756828429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378043 + ... + 1430564.

It is an arithmetic number, because the mean of its divisors is an integer number (18439915824).

Almost surely, 2^73756828427 is an apocalyptic number.

73756828427 is a deficient number, since it is larger than the sum of its proper divisors (2834869).

73756828427 is a wasteful number, since it uses less digits than its factorization.

73756828427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834868.

The product of its digits is 31610880, while the sum is 59.

The spelling of 73756828427 in words is "seventy-three billion, seven hundred fifty-six million, eight hundred twenty-eight thousand, four hundred twenty-seven".