74006047 has 4 divisors (see below), whose sum is σ = 74128576. Its totient is φ = 73883520.

The previous prime is 74006017. The next prime is 74006071. The reversal of 74006047 is 74060047.

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 74006047 - 2¹⁵ = 73973279 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 (74006017) 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, 60354 + ... + 61567.

It is an arithmetic number, because the mean of its divisors is an integer number (18532144).

Almost surely, 2^74006047 is an apocalyptic number.

74006047 is a deficient number, since it is larger than the sum of its proper divisors (122529).

74006047 is a wasteful number, since it uses less digits than its factorization.

74006047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122528.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74006047 is about 8602.6767345984. The cubic root of 74006047 is about 419.8450808083.

The spelling of 74006047 in words is "seventy-four million, six thousand, forty-seven".