74219369 has 16 divisors (see below), whose sum is σ = 87187200. Its totient is φ = 63151200.

The previous prime is 74219357. The next prime is 74219393. The reversal of 74219369 is 96391247.

It is a de Polignac number, because none of the positive numbers 2^k-74219369 is a prime.

It is a super-2 number, since 2×74219369² = 11017029469516322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74219329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51077 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (5449200).

Almost surely, 2^74219369 is an apocalyptic number.

It is an amenable number.

74219369 is a deficient number, since it is larger than the sum of its proper divisors (12967831).

74219369 is a wasteful number, since it uses less digits than its factorization.

74219369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1591 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 74219369 is about 8615.0663955654. The cubic root of 74219369 is about 420.2480941626.

The spelling of 74219369 in words is "seventy-four million, two hundred nineteen thousand, three hundred sixty-nine".