74089477 has 16 divisors (see below), whose sum is σ = 92582784. Its totient is φ = 57600000.

The previous prime is 74089453. The next prime is 74089481. The reversal of 74089477 is 77498047.

It is a cyclic number.

It is not a de Polignac number, because 74089477 - 2¹⁹ = 73565189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74089487) 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, 45477 + ... + 47077.

It is an arithmetic number, because the mean of its divisors is an integer number (5786424).

Almost surely, 2^74089477 is an apocalyptic number.

74089477 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

74089477 is a deficient number, since it is larger than the sum of its proper divisors (18493307).

74089477 is a wasteful number, since it uses less digits than its factorization.

74089477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 74089477 is about 8607.5244408599. The cubic root of 74089477 is about 420.0027909867.

The spelling of 74089477 in words is "seventy-four million, eighty-nine thousand, four hundred seventy-seven".