72030827669 has 2 divisors, whose sum is σ = 72030827670. Its totient is φ = 72030827668.

The previous prime is 72030827657. The next prime is 72030827681. The reversal of 72030827669 is 96672803027.

It is a balanced prime because it is at equal distance from previous prime (72030827657) and next prime (72030827681).

It can be written as a sum of positive squares in only one way, i.e., 44594880625 + 27435947044 = 211175^2 + 165638^2 .

It is a cyclic number.

It is not a de Polignac number, because 72030827669 - 2⁸ = 72030827413 is a prime.

It is a super-2 number, since 2×72030827669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72030527669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36015413834 + 36015413835.

It is an arithmetic number, because the mean of its divisors is an integer number (36015413835).

Almost surely, 2^72030827669 is an apocalyptic number.

It is an amenable number.

72030827669 is a deficient number, since it is larger than the sum of its proper divisors (1).

72030827669 is an equidigital number, since it uses as much as digits as its factorization.

72030827669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 72030827669 in words is "seventy-two billion, thirty million, eight hundred twenty-seven thousand, six hundred sixty-nine".