472979505 has 8 divisors (see below), whose sum is σ = 756767232. Its totient is φ = 252255728.

The previous prime is 472979497. The next prime is 472979509. The reversal of 472979505 is 505979274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472979505 - 2³ = 472979497 is a prime.

It is a super-2 number, since 2×472979505² = 447419224300090050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472979509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15765969 + ... + 15765998.

It is an arithmetic number, because the mean of its divisors is an integer number (94595904).

Almost surely, 2^472979505 is an apocalyptic number.

It is an amenable number.

472979505 is a deficient number, since it is larger than the sum of its proper divisors (283787727).

472979505 is a wasteful number, since it uses less digits than its factorization.

472979505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31531975.

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 472979505 is about 21748.0919852754. The cubic root of 472979505 is about 779.1374999456.

The spelling of 472979505 in words is "four hundred seventy-two million, nine hundred seventy-nine thousand, five hundred five".