74268086247 has 16 divisors (see below), whose sum is σ = 110237191680. Its totient is φ = 49417378776.

The previous prime is 74268086237. The next prime is 74268086251.

It is a happy number.

74268086247 is a `hidden beast` number, since 7 + 4 + 2 + 6 + 8 + 0 + 8 + 624 + 7 = 666.

74268086247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74268086247 - 2¹¹ = 74268084199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74268086193 and 74268086202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74268086237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615583 + ... + 2643824.

It is an arithmetic number, because the mean of its divisors is an integer number (6889824480).

Almost surely, 2^74268086247 is an apocalyptic number.

74268086247 is a deficient number, since it is larger than the sum of its proper divisors (35969105433).

74268086247 is a wasteful number, since it uses less digits than its factorization.

74268086247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259939 (or 5259933 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 74268086247 in words is "seventy-four billion, two hundred sixty-eight million, eighty-six thousand, two hundred forty-seven".