74072470 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 28851936.

The previous prime is 74072441. The next prime is 74072473. The reversal of 74072470 is 7427047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74072473) 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 15 ways as a sum of consecutive naturals, for example, 168511 + ... + 168949.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^74072470 is an apocalyptic number.

74072470 is a deficient number, since it is larger than the sum of its proper divisors (62785130).

74072470 is a wasteful number, since it uses less digits than its factorization.

74072470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74072470 is about 8606.5364694516. The cubic root of 74072470 is about 419.9706517664.

The spelling of 74072470 in words is "seventy-four million, seventy-two thousand, four hundred seventy".