74770449 has 8 divisors (see below), whose sum is σ = 107362752. Its totient is φ = 46012560.

The previous prime is 74770441. The next prime is 74770457. The reversal of 74770449 is 94407747.

It is an interprime number because it is at equal distance from previous prime (74770441) and next prime (74770457).

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

It is not a de Polignac number, because 74770449 - 2³ = 74770441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74770449.

It is not an unprimeable number, because it can be changed into a prime (74770441) 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, 958557 + ... + 958634.

It is an arithmetic number, because the mean of its divisors is an integer number (13420344).

Almost surely, 2^74770449 is an apocalyptic number.

It is an amenable number.

74770449 is a deficient number, since it is larger than the sum of its proper divisors (32592303).

74770449 is a wasteful number, since it uses less digits than its factorization.

74770449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917207.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 74770449 is about 8646.9907482314. The cubic root of 74770449 is about 421.2856467059.

The spelling of 74770449 in words is "seventy-four million, seven hundred seventy thousand, four hundred forty-nine".