74061730 has 16 divisors (see below), whose sum is σ = 134918784. Its totient is φ = 29267440.

The previous prime is 74061727. The next prime is 74061749. The reversal of 74061730 is 3716047.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43786 + ... + 45445.

It is an arithmetic number, because the mean of its divisors is an integer number (8432424).

Almost surely, 2^74061730 is an apocalyptic number.

74061730 is a deficient number, since it is larger than the sum of its proper divisors (60857054).

74061730 is a wasteful number, since it uses less digits than its factorization.

74061730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89321.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 74061730 is about 8605.9125024602. The cubic root of 74061730 is about 419.9503531641.

Adding to 74061730 its reverse (3716047), we get a palindrome (77777777).

The spelling of 74061730 in words is "seventy-four million, sixty-one thousand, seven hundred thirty".