617472071 has 2 divisors, whose sum is σ = 617472072. Its totient is φ = 617472070.

The previous prime is 617471999. The next prime is 617472091. The reversal of 617472071 is 170274716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 617472071 - 2¹⁰ = 617471047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617472091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308736035 + 308736036.

It is an arithmetic number, because the mean of its divisors is an integer number (308736036).

Almost surely, 2^617472071 is an apocalyptic number.

617472071 is a deficient number, since it is larger than the sum of its proper divisors (1).

617472071 is an equidigital number, since it uses as much as digits as its factorization.

617472071 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 35.

The square root of 617472071 is about 24848.9853112758. The cubic root of 617472071 is about 851.5414111508.

The spelling of 617472071 in words is "six hundred seventeen million, four hundred seventy-two thousand, seventy-one".