74622469 has 4 divisors (see below), whose sum is σ = 79012044. Its totient is φ = 70232896.

The previous prime is 74622467. The next prime is 74622473. The reversal of 74622469 is 96422647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96422647 = 23 ⋅4192289.

It can be written as a sum of positive squares in 2 ways, for example, as 24750625 + 49871844 = 4975^2 + 7062^2 .

It is a cyclic number.

It is not a de Polignac number, because 74622469 - 2¹ = 74622467 is a prime.

It is a super-2 number, since 2×74622469² = 11137025759311922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74622461) 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 3 ways as a sum of consecutive naturals, for example, 2194762 + ... + 2194795.

It is an arithmetic number, because the mean of its divisors is an integer number (19753011).

Almost surely, 2^74622469 is an apocalyptic number.

It is an amenable number.

74622469 is a deficient number, since it is larger than the sum of its proper divisors (4389575).

74622469 is a wasteful number, since it uses less digits than its factorization.

74622469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389574.

The product of its digits is 145152, while the sum is 40.

The square root of 74622469 is about 8638.4297762962. The cubic root of 74622469 is about 421.0075376244.

The spelling of 74622469 in words is "seventy-four million, six hundred twenty-two thousand, four hundred sixty-nine".