472178369 has 16 divisors (see below), whose sum is σ = 518248080. Its totient is φ = 427541760.

The previous prime is 472178347. The next prime is 472178393. The reversal of 472178369 is 963871274.

It can be written as a sum of positive squares in 8 ways, for example, as 222159025 + 250019344 = 14905^2 + 15812^2 .

It is a cyclic number.

It is not a de Polignac number, because 472178369 - 2¹⁶ = 472112833 is a prime.

It is a super-3 number, since 3×472178369³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472108369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441167 + ... + 442235.

It is an arithmetic number, because the mean of its divisors is an integer number (32390505).

Almost surely, 2^472178369 is an apocalyptic number.

It is an amenable number.

472178369 is a deficient number, since it is larger than the sum of its proper divisors (46069711).

472178369 is a wasteful number, since it uses less digits than its factorization.

472178369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700.

The product of its digits is 508032, while the sum is 47.

The square root of 472178369 is about 21729.6656439992. The cubic root of 472178369 is about 778.6973484891.

The spelling of 472178369 in words is "four hundred seventy-two million, one hundred seventy-eight thousand, three hundred sixty-nine".