72924829286401 has 4 divisors (see below), whose sum is σ = 72926943022804. Its totient is φ = 72922715550000.

The previous prime is 72924829286383. The next prime is 72924829286411. The reversal of 72924829286401 is 10468292842927.

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 23181769415025 + 49743059871376 = 4814745^2 + 7052876^2 .

It is a cyclic number.

It is not a de Polignac number, because 72924829286401 - 2¹⁷ = 72924829155329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72924829286411) 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, 1056816450 + ... + 1056885451.

It is an arithmetic number, because the mean of its divisors is an integer number (18231735755701).

Almost surely, 2^{72924829286401} is an apocalyptic number.

It is an amenable number.

72924829286401 is a deficient number, since it is larger than the sum of its proper divisors (2113736403).

72924829286401 is a wasteful number, since it uses less digits than its factorization.

72924829286401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113736402.

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 72924829286401 in words is "seventy-two trillion, nine hundred twenty-four billion, eight hundred twenty-nine million, two hundred eighty-six thousand, four hundred one".