100472866 has 12 divisors (see below), whose sum is σ = 163194642. Its totient is φ = 46371936.

The previous prime is 100472861. The next prime is 100472903. The reversal of 100472866 is 668274001.

It can be written as a sum of positive squares in 3 ways, for example, as 41873841 + 58599025 = 6471^2 + 7655^2 .

It is not an unprimeable number, because it can be changed into a prime (100472861) 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 5 ways as a sum of consecutive naturals, for example, 148291 + ... + 148966.

Almost surely, 2^100472866 is an apocalyptic number.

100472866 is a deficient number, since it is larger than the sum of its proper divisors (62721776).

100472866 is a wasteful number, since it uses less digits than its factorization.

100472866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297285 (or 297272 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 100472866 is about 10023.6154156073. The cubic root of 100472866 is about 464.8893497078.

The spelling of 100472866 in words is "one hundred million, four hundred seventy-two thousand, eight hundred sixty-six".