74250030 has 32 divisors (see below), whose sum is σ = 180208800. Its totient is φ = 19576832.

The previous prime is 74250017. The next prime is 74250041. The reversal of 74250030 is 3005247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74249979 and 74250006.

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, 11235 + ... + 16574.

It is an arithmetic number, because the mean of its divisors is an integer number (5631525).

Almost surely, 2^74250030 is an apocalyptic number.

74250030 is an abundant number, since it is smaller than the sum of its proper divisors (105958770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74250030 is a wasteful number, since it uses less digits than its factorization.

74250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27908.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 74250030 is about 8616.8457105834. The cubic root of 74250030 is about 420.3059562052.

Adding to 74250030 its reverse (3005247), we get a palindrome (77255277).

The spelling of 74250030 in words is "seventy-four million, two hundred fifty thousand, thirty".