74258730 has 96 divisors (see below), whose sum is σ = 237654144. Its totient is φ = 15666048.

The previous prime is 74258729. The next prime is 74258747. The reversal of 74258730 is 3785247.

74258730 is a `hidden beast` number, since 7 + 42 + 587 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3657 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (2475564).

Almost surely, 2^74258730 is an apocalyptic number.

74258730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74258730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118827072).

74258730 is an abundant number, since it is smaller than the sum of its proper divisors (163395414).

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

74258730 is a wasteful number, since it uses less digits than its factorization.

74258730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100 (or 9097 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 74258730 is about 8617.3505208968. The cubic root of 74258730 is about 420.3223715476.

The spelling of 74258730 in words is "seventy-four million, two hundred fifty-eight thousand, seven hundred thirty".