74909094 has 16 divisors (see below), whose sum is σ = 161342832. Its totient is φ = 23048928.

The previous prime is 74909083. The next prime is 74909099. The reversal of 74909094 is 49090947.

It is a super-2 number, since 2×74909094² = 11222744727801672, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74909099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480109 + ... + 480264.

It is an arithmetic number, because the mean of its divisors is an integer number (10083927).

Almost surely, 2^74909094 is an apocalyptic number.

74909094 is an abundant number, since it is smaller than the sum of its proper divisors (86433738).

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

74909094 is a wasteful number, since it uses less digits than its factorization.

74909094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960391.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 74909094 is about 8655.0039861343. The cubic root of 74909094 is about 421.5458791204.

The spelling of 74909094 in words is "seventy-four million, nine hundred nine thousand, ninety-four".