72150740741 has 2 divisors, whose sum is σ = 72150740742. Its totient is φ = 72150740740.

The previous prime is 72150740731. The next prime is 72150740759. The reversal of 72150740741 is 14704705127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59075733025 + 13075007716 = 243055^2 + 114346^2 .

It is a cyclic number.

It is not a de Polignac number, because 72150740741 - 2⁶ = 72150740677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72150740695 and 72150740704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72150740731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36075370370 + 36075370371.

It is an arithmetic number, because the mean of its divisors is an integer number (36075370371).

Almost surely, 2^72150740741 is an apocalyptic number.

It is an amenable number.

72150740741 is a deficient number, since it is larger than the sum of its proper divisors (1).

72150740741 is an equidigital number, since it uses as much as digits as its factorization.

72150740741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 72150740741 in words is "seventy-two billion, one hundred fifty million, seven hundred forty thousand, seven hundred forty-one".