74215263 has 8 divisors (see below), whose sum is σ = 102366000. Its totient is φ = 47770688.

The previous prime is 74215243. The next prime is 74215277. The reversal of 74215263 is 36251247.

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 74215263 - 2¹⁷ = 74084191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74215263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74215213) by changing a digit.

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, 426438 + ... + 426611.

It is an arithmetic number, because the mean of its divisors is an integer number (12795750).

Almost surely, 2^74215263 is an apocalyptic number.

74215263 is a deficient number, since it is larger than the sum of its proper divisors (28150737).

74215263 is a wasteful number, since it uses less digits than its factorization.

74215263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853081.

The product of its digits is 10080, while the sum is 30.

The square root of 74215263 is about 8614.8280888245. The cubic root of 74215263 is about 420.2403442966.

The spelling of 74215263 in words is "seventy-four million, two hundred fifteen thousand, two hundred sixty-three".