74068890 has 48 divisors (see below), whose sum is σ = 206792352. Its totient is φ = 16929696.

The previous prime is 74068867. The next prime is 74068903. The reversal of 74068890 is 9886047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 23724 + ... + 26663.

It is an arithmetic number, because the mean of its divisors is an integer number (4308174).

Almost surely, 2^74068890 is an apocalyptic number.

74068890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74068890 is an abundant number, since it is smaller than the sum of its proper divisors (132723462).

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

74068890 is a wasteful number, since it uses less digits than its factorization.

74068890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50411 (or 50404 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 74068890 is about 8606.3284854809. The cubic root of 74068890 is about 419.9638857837.

The spelling of 74068890 in words is "seventy-four million, sixty-eight thousand, eight hundred ninety".