74766673801 has 4 divisors (see below), whose sum is σ = 75076909204. Its totient is φ = 74456438400.

The previous prime is 74766673777. The next prime is 74766673823. The reversal of 74766673801 is 10837666747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10837666747 = 19 ⋅570403513.

It can be written as a sum of positive squares in 2 ways, for example, as 30277740025 + 44488933776 = 174005^2 + 210924^2 .

It is a cyclic number.

It is not a de Polignac number, because 74766673801 - 2¹³ = 74766665609 is a prime.

It is a super-2 number, since 2×74766673801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74736673801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155117340 + ... + 155117821.

It is an arithmetic number, because the mean of its divisors is an integer number (18769227301).

Almost surely, 2^74766673801 is an apocalyptic number.

It is an amenable number.

74766673801 is a deficient number, since it is larger than the sum of its proper divisors (310235403).

74766673801 is a wasteful number, since it uses less digits than its factorization.

74766673801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310235402.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 74766673801 in words is "seventy-four billion, seven hundred sixty-six million, six hundred seventy-three thousand, eight hundred one".