74500030 has 32 divisors (see below), whose sum is σ = 146759040. Its totient is φ = 27004320.

The previous prime is 74500009. The next prime is 74500051. The reversal of 74500030 is 3000547.

It is an interprime number because it is at equal distance from previous prime (74500009) and next prime (74500051).

It is a junction number, because it is equal to n+sod(n) for n = 74499980 and 74500007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40797 + ... + 42583.

It is an arithmetic number, because the mean of its divisors is an integer number (4586220).

Almost surely, 2^74500030 is an apocalyptic number.

74500030 is a deficient number, since it is larger than the sum of its proper divisors (72259010).

74500030 is a wasteful number, since it uses less digits than its factorization.

74500030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 74500030 is about 8631.3399886692. The cubic root of 74500030 is about 420.7771514277. Note that the first 3 decimals are identical.

Adding to 74500030 its reverse (3000547), we get a palindrome (77500577).

The spelling of 74500030 in words is "seventy-four million, five hundred thousand, thirty".