72092919749 has 2 divisors, whose sum is σ = 72092919750. Its totient is φ = 72092919748.

The previous prime is 72092919727. The next prime is 72092919791. The reversal of 72092919749 is 94791929027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66713724100 + 5379195649 = 258290^2 + 73343^2 .

It is a cyclic number.

It is not a de Polignac number, because 72092919749 - 2¹⁶ = 72092854213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72092913749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36046459874 + 36046459875.

It is an arithmetic number, because the mean of its divisors is an integer number (36046459875).

Almost surely, 2^72092919749 is an apocalyptic number.

It is an amenable number.

72092919749 is a deficient number, since it is larger than the sum of its proper divisors (1).

72092919749 is an equidigital number, since it uses as much as digits as its factorization.

72092919749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 72092919749 in words is "seventy-two billion, ninety-two million, nine hundred nineteen thousand, seven hundred forty-nine".