74070090 has 24 divisors (see below), whose sum is σ = 192582468. Its totient is φ = 19752000.

The previous prime is 74070053. The next prime is 74070109. The reversal of 74070090 is 9007047.

It can be written as a sum of positive squares in 2 ways, for example, as 62394201 + 11675889 = 7899^2 + 3417^2 .

It is a super-4 number, since 4×74070090⁴ (a number of 33 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411411 + ... + 411590.

Almost surely, 2^74070090 is an apocalyptic number.

74070090 is an abundant number, since it is smaller than the sum of its proper divisors (118512378).

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

74070090 is a wasteful number, since it uses less digits than its factorization.

74070090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823014 (or 823011 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 74070090 is about 8606.3982013384. The cubic root of 74070090 is about 419.9661537351.

The spelling of 74070090 in words is "seventy-four million, seventy thousand, ninety".