74252571 has 8 divisors (see below), whose sum is σ = 99054864. Its totient is φ = 49476000.

The previous prime is 74252569. The next prime is 74252573. The reversal of 74252571 is 17525247.

It is an interprime number because it is at equal distance from previous prime (74252569) and next prime (74252573).

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

It is not a de Polignac number, because 74252571 - 2¹ = 74252569 is a prime.

It is a super-2 number, since 2×74252571² = 11026888600220082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74252573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821 + ... + 12321.

It is an arithmetic number, because the mean of its divisors is an integer number (12381858).

Almost surely, 2^74252571 is an apocalyptic number.

74252571 is a deficient number, since it is larger than the sum of its proper divisors (24802293).

74252571 is a wasteful number, since it uses less digits than its factorization.

74252571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861.

The product of its digits is 19600, while the sum is 33.

The square root of 74252571 is about 8616.9931530668. The cubic root of 74252571 is about 420.3107507498.

The spelling of 74252571 in words is "seventy-four million, two hundred fifty-two thousand, five hundred seventy-one".