74314647 has 12 divisors (see below), whose sum is σ = 117102024. Its totient is φ = 45039120.

The previous prime is 74314637. The next prime is 74314687. The reversal of 74314647 is 74641347.

It is a happy number.

74314647 is a `hidden beast` number, since 7 + 4 + 3 + 1 + 4 + 647 = 666.

It is not a de Polignac number, because 74314647 - 2¹¹ = 74312599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74314607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375228 + ... + 375425.

It is an arithmetic number, because the mean of its divisors is an integer number (9758502).

Almost surely, 2^74314647 is an apocalyptic number.

74314647 is a deficient number, since it is larger than the sum of its proper divisors (42787377).

74314647 is a wasteful number, since it uses less digits than its factorization.

74314647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750670 (or 750667 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 74314647 is about 8620.5943530594. The cubic root of 74314647 is about 420.4278463257.

It can be divided in two parts, 74 and 314647, that added together give a square (314721 = 561²).

The spelling of 74314647 in words is "seventy-four million, three hundred fourteen thousand, six hundred forty-seven".