74040710667 has 32 divisors (see below), whose sum is σ = 123193281024. Its totient is φ = 38427513600.

The previous prime is 74040710647. The next prime is 74040710717. The reversal of 74040710667 is 76601704047.

It is not a de Polignac number, because 74040710667 - 2¹⁸ = 74040448523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74040710647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107317 + ... + 399497.

It is an arithmetic number, because the mean of its divisors is an integer number (3849790032).

Almost surely, 2^74040710667 is an apocalyptic number.

74040710667 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

74040710667 is a deficient number, since it is larger than the sum of its proper divisors (49152570357).

74040710667 is a wasteful number, since it uses less digits than its factorization.

74040710667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293299.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 74040710667 in words is "seventy-four billion, forty million, seven hundred ten thousand, six hundred sixty-seven".