74216955 has 8 divisors (see below), whose sum is σ = 118747152. Its totient is φ = 39582368.

The previous prime is 74216911. The next prime is 74216977. The reversal of 74216955 is 55961247.

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 74216955 - 2¹³ = 74208763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473884 + ... + 2473913.

It is an arithmetic number, because the mean of its divisors is an integer number (14843394).

Almost surely, 2^74216955 is an apocalyptic number.

74216955 is a deficient number, since it is larger than the sum of its proper divisors (44530197).

74216955 is a wasteful number, since it uses less digits than its factorization.

74216955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947805.

The product of its digits is 75600, while the sum is 39.

The square root of 74216955 is about 8614.9262910370. The cubic root of 74216955 is about 420.2435378951.

The spelling of 74216955 in words is "seventy-four million, two hundred sixteen thousand, nine hundred fifty-five".