471487690 has 32 divisors (see below), whose sum is σ = 919512000. Its totient is φ = 173370624.

The previous prime is 471487669. The next prime is 471487699. The reversal of 471487690 is 96784174.

It is a super-2 number, since 2×471487690² = 444601283643072200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 471487690.

It is not an unprimeable number, because it can be changed into a prime (471487699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24940 + ... + 39559.

It is an arithmetic number, because the mean of its divisors is an integer number (28734750).

Almost surely, 2^471487690 is an apocalyptic number.

471487690 is a deficient number, since it is larger than the sum of its proper divisors (448024310).

471487690 is a wasteful number, since it uses less digits than its factorization.

471487690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64566.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 471487690 is about 21713.7672917437. The cubic root of 471487690 is about 778.3174833141.

The spelling of 471487690 in words is "four hundred seventy-one million, four hundred eighty-seven thousand, six hundred ninety".