74444655 has 8 divisors (see below), whose sum is σ = 119111472. Its totient is φ = 39703808.

The previous prime is 74444639. The next prime is 74444681. The reversal of 74444655 is 55644447.

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 74444655 - 2⁴ = 74444639 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481474 + ... + 2481503.

It is an arithmetic number, because the mean of its divisors is an integer number (14888934).

Almost surely, 2^74444655 is an apocalyptic number.

74444655 is a deficient number, since it is larger than the sum of its proper divisors (44666817).

74444655 is a wasteful number, since it uses less digits than its factorization.

74444655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962985.

The product of its digits is 268800, while the sum is 39.

The square root of 74444655 is about 8628.1316053941. The cubic root of 74444655 is about 420.6728726771.

The spelling of 74444655 in words is "seventy-four million, four hundred forty-four thousand, six hundred fifty-five".