74090121 has 8 divisors (see below), whose sum is σ = 112899264. Its totient is φ = 42337200.

The previous prime is 74090119. The next prime is 74090123. The reversal of 74090121 is 12109047.

It is an interprime number because it is at equal distance from previous prime (74090119) and next prime (74090123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74090121 - 2¹ = 74090119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74090091 and 74090100.

It is not an unprimeable number, because it can be changed into a prime (74090123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1764030 + ... + 1764071.

It is an arithmetic number, because the mean of its divisors is an integer number (14112408).

Almost surely, 2^74090121 is an apocalyptic number.

It is an amenable number.

74090121 is a deficient number, since it is larger than the sum of its proper divisors (38809143).

74090121 is a wasteful number, since it uses less digits than its factorization.

74090121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528111.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 74090121 is about 8607.5618499085. The cubic root of 74090121 is about 420.0040078983.

Adding to 74090121 its reverse (12109047), we get a palindrome (86199168).

The spelling of 74090121 in words is "seventy-four million, ninety thousand, one hundred twenty-one".