74219827 has 12 divisors (see below), whose sum is σ = 85130640. Its totient is φ = 64536560.

The previous prime is 74219809. The next prime is 74219837. The reversal of 74219827 is 72891247.

It is not a de Polignac number, because 74219827 - 2¹⁹ = 73695539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74219827.

It is not an unprimeable number, because it can be changed into a prime (74219837) 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 11 ways as a sum of consecutive naturals, for example, 10552 + ... + 16117.

It is an arithmetic number, because the mean of its divisors is an integer number (7094220).

Almost surely, 2^74219827 is an apocalyptic number.

74219827 is a deficient number, since it is larger than the sum of its proper divisors (10910813).

74219827 is a wasteful number, since it uses less digits than its factorization.

74219827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26714 (or 26703 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 74219827 is about 8615.0929768633. The cubic root of 74219827 is about 420.2489585965.

The spelling of 74219827 in words is "seventy-four million, two hundred nineteen thousand, eight hundred twenty-seven".