74404747 has 8 divisors (see below), whose sum is σ = 77738400. Its totient is φ = 71079360.

The previous prime is 74404711. The next prime is 74404753. The reversal of 74404747 is 74740447.

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 74404747 - 2¹⁹ = 73880459 is a prime.

It is a super-3 number, since 3×74404747³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74404777) 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, 22879 + ... + 25927.

It is an arithmetic number, because the mean of its divisors is an integer number (9717300).

Almost surely, 2^74404747 is an apocalyptic number.

74404747 is a deficient number, since it is larger than the sum of its proper divisors (3333653).

74404747 is a wasteful number, since it uses less digits than its factorization.

74404747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 74404747 is about 8625.8186278173. The cubic root of 74404747 is about 420.5976883503.

The spelling of 74404747 in words is "seventy-four million, four hundred four thousand, seven hundred forty-seven".