74363630 has 32 divisors (see below), whose sum is σ = 146378880. Its totient is φ = 26975520.

The previous prime is 74363629. The next prime is 74363633. The reversal of 74363630 is 3636347.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74363633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86141 + ... + 86999.

It is an arithmetic number, because the mean of its divisors is an integer number (4574340).

Almost surely, 2^74363630 is an apocalyptic number.

74363630 is a deficient number, since it is larger than the sum of its proper divisors (72015250).

74363630 is a wasteful number, since it uses less digits than its factorization.

74363630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 74363630 is about 8623.4349304671. The cubic root of 74363630 is about 420.5201982151.

Adding to 74363630 its reverse (3636347), we get a palindrome (77999977).

The spelling of 74363630 in words is "seventy-four million, three hundred sixty-three thousand, six hundred thirty".