74440619 has 8 divisors (see below), whose sum is σ = 81829440. Its totient is φ = 67155400.

The previous prime is 74440609. The next prime is 74440631. The reversal of 74440619 is 91604447.

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 74440619 - 2¹⁶ = 74375083 is a prime.

It is a super-2 number, since 2×74440619² = 11082811514206322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74440609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24389 + ... + 27270.

It is an arithmetic number, because the mean of its divisors is an integer number (10228680).

Almost surely, 2^74440619 is an apocalyptic number.

74440619 is a deficient number, since it is larger than the sum of its proper divisors (7388821).

74440619 is a wasteful number, since it uses less digits than its factorization.

74440619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51801.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 74440619 is about 8627.8977161299. The cubic root of 74440619 is about 420.6652703118.

The spelling of 74440619 in words is "seventy-four million, four hundred forty thousand, six hundred nineteen".