75666902 has 8 divisors (see below), whose sum is σ = 113646936. Its totient is φ = 37784592.

The previous prime is 75666883. The next prime is 75666907. The reversal of 75666902 is 20966657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75666902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75666907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22463 + ... + 25610.

It is an arithmetic number, because the mean of its divisors is an integer number (14205867).

Almost surely, 2^75666902 is an apocalyptic number.

75666902 is a deficient number, since it is larger than the sum of its proper divisors (37980034).

75666902 is a wasteful number, since it uses less digits than its factorization.

75666902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48862.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 75666902 is about 8698.6724274455. The cubic root of 75666902 is about 422.9626168790.

The spelling of 75666902 in words is "seventy-five million, six hundred sixty-six thousand, nine hundred two".