472021736 has 8 divisors (see below), whose sum is σ = 885040770. Its totient is φ = 236010864.

The previous prime is 472021729. The next prime is 472021741. The reversal of 472021736 is 637120274.

It can be written as a sum of positive squares in only one way, i.e., 461820100 + 10201636 = 21490^2 + 3194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29501351 + ... + 29501366.

Almost surely, 2^472021736 is an apocalyptic number.

It is an amenable number.

472021736 is a deficient number, since it is larger than the sum of its proper divisors (413019034).

472021736 is a wasteful number, since it uses less digits than its factorization.

472021736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59002723 (or 59002719 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 472021736 is about 21726.0612168888. The cubic root of 472021736 is about 778.6112347101.

The spelling of 472021736 in words is "four hundred seventy-two million, twenty-one thousand, seven hundred thirty-six".