75474202666 has 16 divisors (see below), whose sum is σ = 116587497600. Its totient is φ = 36627896448.

The previous prime is 75474202637. The next prime is 75474202691. The reversal of 75474202666 is 66620247457.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4038855 + ... + 4057498.

It is an arithmetic number, because the mean of its divisors is an integer number (7286718600).

Almost surely, 2^75474202666 is an apocalyptic number.

75474202666 is a deficient number, since it is larger than the sum of its proper divisors (41113294934).

75474202666 is a wasteful number, since it uses less digits than its factorization.

75474202666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096493.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 75474202666 in words is "seventy-five billion, four hundred seventy-four million, two hundred two thousand, six hundred sixty-six".