472172039 has 2 divisors, whose sum is σ = 472172040. Its totient is φ = 472172038.

The previous prime is 472172033. The next prime is 472172087. The reversal of 472172039 is 930271274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472172039 - 2⁴ = 472172023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472172033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236086019 + 236086020.

It is an arithmetic number, because the mean of its divisors is an integer number (236086020).

Almost surely, 2^472172039 is an apocalyptic number.

472172039 is a deficient number, since it is larger than the sum of its proper divisors (1).

472172039 is an equidigital number, since it uses as much as digits as its factorization.

472172039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 472172039 is about 21729.5199900964. The cubic root of 472172039 is about 778.6938687474.

The spelling of 472172039 in words is "four hundred seventy-two million, one hundred seventy-two thousand, thirty-nine".