74080890 has 48 divisors (see below), whose sum is σ = 207429768. Its totient is φ = 18235008.

The previous prime is 74080889. The next prime is 74080949. The reversal of 74080890 is 9808047.

It can be written as a sum of positive squares in 4 ways, for example, as 26842761 + 47238129 = 5181^2 + 6873^2 .

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 30489 + ... + 32828.

Almost surely, 2^74080890 is an apocalyptic number.

74080890 is an abundant number, since it is smaller than the sum of its proper divisors (133348878).

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

74080890 is a wasteful number, since it uses less digits than its factorization.

74080890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63343 (or 63340 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 74080890 is about 8607.0256186443. The cubic root of 74080890 is about 419.9865641960.

The spelling of 74080890 in words is "seventy-four million, eighty thousand, eight hundred ninety".