74244661 has 8 divisors (see below), whose sum is σ = 78698304. Its totient is φ = 69800640.

The previous prime is 74244641. The next prime is 74244689. The reversal of 74244661 is 16644247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74244661 - 2²³ = 65856053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74244641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19006 + ... + 22576.

It is an arithmetic number, because the mean of its divisors is an integer number (9837288).

Almost surely, 2^74244661 is an apocalyptic number.

It is an amenable number.

74244661 is a deficient number, since it is larger than the sum of its proper divisors (4453643).

74244661 is a wasteful number, since it uses less digits than its factorization.

74244661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its digits is 32256, while the sum is 34.

The square root of 74244661 is about 8616.5341640360. The cubic root of 74244661 is about 420.2958252235.

The spelling of 74244661 in words is "seventy-four million, two hundred forty-four thousand, six hundred sixty-one".