74072630 has 16 divisors (see below), whose sum is σ = 134512704. Its totient is φ = 29366400.

The previous prime is 74072629. The next prime is 74072639. The reversal of 74072630 is 3627047.

It is a junction number, because it is equal to n+sod(n) for n = 74072593 and 74072602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74072639) 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, 31646 + ... + 33905.

It is an arithmetic number, because the mean of its divisors is an integer number (8407044).

Almost surely, 2^74072630 is an apocalyptic number.

74072630 is a deficient number, since it is larger than the sum of its proper divisors (60440074).

74072630 is a wasteful number, since it uses less digits than its factorization.

74072630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65671.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 74072630 is about 8606.5457647072. The cubic root of 74072630 is about 419.9709541516.

Adding to 74072630 its reverse (3627047), we get a palindrome (77699677).

The spelling of 74072630 in words is "seventy-four million, seventy-two thousand, six hundred thirty".