74105090 has 32 divisors (see below), whose sum is σ = 135750384. Its totient is φ = 29122560.

The previous prime is 74105051. The next prime is 74105113. The reversal of 74105090 is 9050147.

It can be written as a sum of positive squares in 8 ways, for example, as 20097289 + 54007801 = 4483^2 + 7349^2 .

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

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, 233612 + ... + 233928.

Almost surely, 2^74105090 is an apocalyptic number.

74105090 is a deficient number, since it is larger than the sum of its proper divisors (61645294).

74105090 is a wasteful number, since it uses less digits than its factorization.

74105090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 74105090 is about 8608.4313321301. The cubic root of 74105090 is about 420.0322915459.

The spelling of 74105090 in words is "seventy-four million, one hundred five thousand, ninety".