72901692498433 has 8 divisors (see below), whose sum is σ = 77193332563752. Its totient is φ = 68610419678976.

The previous prime is 72901692498431. The next prime is 72901692498469. The reversal of 72901692498433 is 33489429610927.

It can be written as a sum of positive squares in 4 ways, for example, as 44868723321744 + 28032969176689 = 6698412^2 + 5294617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72901692498433 - 2¹ = 72901692498431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72901692498431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91402710 + ... + 92196847.

It is an arithmetic number, because the mean of its divisors is an integer number (9649166570469).

Almost surely, 2^{72901692498433} is an apocalyptic number.

It is an amenable number.

72901692498433 is a deficient number, since it is larger than the sum of its proper divisors (4291640065319).

72901692498433 is a wasteful number, since it uses less digits than its factorization.

72901692498433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183622931.

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 72901692498433 in words is "seventy-two trillion, nine hundred one billion, six hundred ninety-two million, four hundred ninety-eight thousand, four hundred thirty-three".