66903682 has 16 divisors (see below), whose sum is σ = 101476800. Its totient is φ = 33080368.

The previous prime is 66903679. The next prime is 66903689. The reversal of 66903682 is 28630966.

It is a super-2 number, since 2×66903682² = 8952205330314248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66903689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103083 + ... + 103729.

It is an arithmetic number, because the mean of its divisors is an integer number (6342300).

Almost surely, 2^66903682 is an apocalyptic number.

66903682 is a deficient number, since it is larger than the sum of its proper divisors (34573118).

66903682 is a wasteful number, since it uses less digits than its factorization.

66903682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 66903682 is about 8179.4670975559. The cubic root of 66903682 is about 405.9600897458.

The spelling of 66903682 in words is "sixty-six million, nine hundred three thousand, six hundred eighty-two".