73356712801 has 4 divisors (see below), whose sum is σ = 77671813572. Its totient is φ = 69041612032.

The previous prime is 73356712771. The next prime is 73356712841. The reversal of 73356712801 is 10821765337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10821765337 = 317 ⋅34138061.

It can be written as a sum of positive squares in 2 ways, for example, as 68212380625 + 5144332176 = 261175^2 + 71724^2 .

It is not a de Polignac number, because 73356712801 - 2²³ = 73348324193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73356712841) 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, 2157550360 + ... + 2157550393.

It is an arithmetic number, because the mean of its divisors is an integer number (19417953393).

Almost surely, 2^73356712801 is an apocalyptic number.

It is an amenable number.

73356712801 is a deficient number, since it is larger than the sum of its proper divisors (4315100771).

73356712801 is a wasteful number, since it uses less digits than its factorization.

73356712801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315100770.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 73356712801 in words is "seventy-three billion, three hundred fifty-six million, seven hundred twelve thousand, eight hundred one".