74516730 has 64 divisors (see below), whose sum is σ = 183541248. Its totient is φ = 19356480.

The previous prime is 74516699. The next prime is 74516737. The reversal of 74516730 is 3761547.

It is a junction number, because it is equal to n+sod(n) for n = 74516691 and 74516700.

It is not an unprimeable number, because it can be changed into a prime (74516737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263169 + ... + 263451.

It is an arithmetic number, because the mean of its divisors is an integer number (2867832).

Almost surely, 2^74516730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74516730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91770624).

74516730 is an abundant number, since it is smaller than the sum of its proper divisors (109024518).

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

74516730 is a wasteful number, since it uses less digits than its factorization.

74516730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 74516730 is about 8632.3073392923. The cubic root of 74516730 is about 420.8085896855.

The spelling of 74516730 in words is "seventy-four million, five hundred sixteen thousand, seven hundred thirty".