74061290 has 16 divisors (see below), whose sum is σ = 133698600. Its totient is φ = 29538240.

The previous prime is 74061289. The next prime is 74061313. The reversal of 74061290 is 9216047.

It can be written as a sum of positive squares in 4 ways, for example, as 73908409 + 152881 = 8597^2 + 391^2 .

It is an unprimeable number.

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, 7121 + ... + 14100.

Almost surely, 2^74061290 is an apocalyptic number.

74061290 is a deficient number, since it is larger than the sum of its proper divisors (59637310).

74061290 is a wasteful number, since it uses less digits than its factorization.

74061290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21577.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 74061290 is about 8605.8869386020. The cubic root of 74061290 is about 419.9495215222.

The spelling of 74061290 in words is "seventy-four million, sixty-one thousand, two hundred ninety".