74514561 has 16 divisors (see below), whose sum is σ = 114090240. Its totient is φ = 42783120.

The previous prime is 74514551. The next prime is 74514577. The reversal of 74514561 is 16541547.

It is not a de Polignac number, because 74514561 - 2⁵ = 74514529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (74514521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58795 + ... + 60048.

It is an arithmetic number, because the mean of its divisors is an integer number (7130640).

Almost surely, 2^74514561 is an apocalyptic number.

It is an amenable number.

74514561 is a deficient number, since it is larger than the sum of its proper divisors (39575679).

74514561 is a wasteful number, since it uses less digits than its factorization.

74514561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118876.

The product of its digits is 16800, while the sum is 33.

The square root of 74514561 is about 8632.1817056872. The cubic root of 74514561 is about 420.8045067425.

The spelling of 74514561 in words is "seventy-four million, five hundred fourteen thousand, five hundred sixty-one".