471663690 has 32 divisors (see below), whose sum is σ = 1132690176. Its totient is φ = 125699520.

The previous prime is 471663671. The next prime is 471663707. The reversal of 471663690 is 96366174.

471663690 = T₄₅₅₆ + T₄₅₅₇ + ... + T₄₆₀₀.

It is a super-2 number, since 2×471663690² = 444933272928832200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58080 + ... + 65700.

It is an arithmetic number, because the mean of its divisors is an integer number (35396568).

Almost surely, 2^471663690 is an apocalyptic number.

471663690 is an abundant number, since it is smaller than the sum of its proper divisors (661026486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471663690 is a wasteful number, since it uses less digits than its factorization.

471663690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 471663690 is about 21717.8196419438. The cubic root of 471663690 is about 778.4143164084.

The spelling of 471663690 in words is "four hundred seventy-one million, six hundred sixty-three thousand, six hundred ninety".