74423895 has 48 divisors (see below), whose sum is σ = 149194080. Its totient is φ = 31401216.

The previous prime is 74423891. The next prime is 74423903. The reversal of 74423895 is 59832447.

It is not a de Polignac number, because 74423895 - 2² = 74423891 is a prime.

It is a super-2 number, since 2×74423895² = 11077832293942050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74423891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5661 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (3108210).

Almost surely, 2^74423895 is an apocalyptic number.

74423895 is an abundant number, since it is smaller than the sum of its proper divisors (74770185).

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

74423895 is a wasteful number, since it uses less digits than its factorization.

74423895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824 (or 7817 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 74423895 is about 8626.9284800559. The cubic root of 74423895 is about 420.6337654112.

The spelling of 74423895 in words is "seventy-four million, four hundred twenty-three thousand, eight hundred ninety-five".