74266666247 has 8 divisors (see below), whose sum is σ = 77570696544. Its totient is φ = 70968889728.

The previous prime is 74266666231. The next prime is 74266666261.

74266666247 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74266666247 - 2⁴ = 74266666231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74266666192 and 74266666201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74266666217) 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, 1539158 + ... + 1586675.

It is an arithmetic number, because the mean of its divisors is an integer number (9696337068).

Almost surely, 2^74266666247 is an apocalyptic number.

74266666247 is a deficient number, since it is larger than the sum of its proper divisors (3304030297).

74266666247 is a wasteful number, since it uses less digits than its factorization.

74266666247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126889.

The product of its digits is 24385536, while the sum is 56.

The spelling of 74266666247 in words is "seventy-four billion, two hundred sixty-six million, six hundred sixty-six thousand, two hundred forty-seven".