72545161783 has 2 divisors, whose sum is σ = 72545161784. Its totient is φ = 72545161782.

The previous prime is 72545161751. The next prime is 72545161789. The reversal of 72545161783 is 38716154527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72545161783 - 2⁵ = 72545161751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72545161789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36272580891 + 36272580892.

It is an arithmetic number, because the mean of its divisors is an integer number (36272580892).

Almost surely, 2^72545161783 is an apocalyptic number.

72545161783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72545161783 is an equidigital number, since it uses as much as digits as its factorization.

72545161783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The spelling of 72545161783 in words is "seventy-two billion, five hundred forty-five million, one hundred sixty-one thousand, seven hundred eighty-three".