74985119 has 4 divisors (see below), whose sum is σ = 81801960. Its totient is φ = 68168280.

The previous prime is 74985109. The next prime is 74985139. The reversal of 74985119 is 91158947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74985119 - 2⁴ = 74985103 is a prime.

It is a super-2 number, since 2×74985119² = 11245536142888322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74985119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74985109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408404 + ... + 3408425.

It is an arithmetic number, because the mean of its divisors is an integer number (20450490).

Almost surely, 2^74985119 is an apocalyptic number.

74985119 is a deficient number, since it is larger than the sum of its proper divisors (6816841).

74985119 is a wasteful number, since it uses less digits than its factorization.

74985119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816840.

The product of its digits is 90720, while the sum is 44.

The square root of 74985119 is about 8659.3948402876. The cubic root of 74985119 is about 421.6884394249.

Subtracting 74985119 from its reverse (91158947), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 74985119 in words is "seventy-four million, nine hundred eighty-five thousand, one hundred nineteen".