74698666086503 has 4 divisors (see below), whose sum is σ = 79092705268080. Its totient is φ = 70304626904928.

The previous prime is 74698666086493. The next prime is 74698666086557. The reversal of 74698666086503 is 30568066689647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74698666086503 - 2¹⁸ = 74698665824359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74698666086563) 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, 2197019590763 + ... + 2197019590796.

It is an arithmetic number, because the mean of its divisors is an integer number (19773176317020).

Almost surely, 2^{74698666086503} is an apocalyptic number.

74698666086503 is a deficient number, since it is larger than the sum of its proper divisors (4394039181577).

74698666086503 is a wasteful number, since it uses less digits than its factorization.

74698666086503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394039181576.

The product of its (nonzero) digits is 1881169920, while the sum is 74.

The spelling of 74698666086503 in words is "seventy-four trillion, six hundred ninety-eight billion, six hundred sixty-six million, eighty-six thousand, five hundred three".