74509086 has 8 divisors (see below), whose sum is σ = 149018184. Its totient is φ = 24836360.

The previous prime is 74509081. The next prime is 74509103. The reversal of 74509086 is 68090547.

It is a sphenic number, since it is the product of 3 distinct primes.

74509086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74509081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6209085 + ... + 6209096.

It is an arithmetic number, because the mean of its divisors is an integer number (18627273).

Almost surely, 2^74509086 is an apocalyptic number.

74509086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74509086 is a wasteful number, since it uses less digits than its factorization.

74509086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418186.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 74509086 is about 8631.8645726170. The cubic root of 74509086 is about 420.7942002061.

The spelling of 74509086 in words is "seventy-four million, five hundred nine thousand, eighty-six".