72041677 has 2 divisors, whose sum is σ = 72041678. Its totient is φ = 72041676.

The previous prime is 72041657. The next prime is 72041687. The reversal of 72041677 is 77614027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46498761 + 25542916 = 6819^2 + 5054^2 .

It is a cyclic number.

It is not a de Polignac number, because 72041677 - 2¹⁹ = 71517389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72041657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36020838 + 36020839.

It is an arithmetic number, because the mean of its divisors is an integer number (36020839).

Almost surely, 2^72041677 is an apocalyptic number.

It is an amenable number.

72041677 is a deficient number, since it is larger than the sum of its proper divisors (1).

72041677 is an equidigital number, since it uses as much as digits as its factorization.

72041677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 72041677 is about 8487.7368597289. The cubic root of 72041677 is about 416.0970191769.

The spelling of 72041677 in words is "seventy-two million, forty-one thousand, six hundred seventy-seven".