74007224 has 8 divisors (see below), whose sum is σ = 138763560. Its totient is φ = 37003608.

The previous prime is 74007211. The next prime is 74007229. The reversal of 74007224 is 42270047.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 74007193 and 74007202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74007229) 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 as a sum of consecutive naturals, namely, 4625444 + ... + 4625459.

It is an arithmetic number, because the mean of its divisors is an integer number (17345445).

Almost surely, 2^74007224 is an apocalyptic number.

It is an amenable number.

74007224 is a deficient number, since it is larger than the sum of its proper divisors (64756336).

74007224 is a wasteful number, since it uses less digits than its factorization.

74007224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250909 (or 9250905 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 74007224 is about 8602.7451432668. The cubic root of 74007224 is about 419.8473065501.

The spelling of 74007224 in words is "seventy-four million, seven thousand, two hundred twenty-four".