74733445 has 24 divisors (see below), whose sum is σ = 97090056. Its totient is φ = 55031808.

The previous prime is 74733437. The next prime is 74733469. The reversal of 74733445 is 54433747.

It can be written as a sum of positive squares in 12 ways, for example, as 13549761 + 61183684 = 3681^2 + 7822^2 .

It is not a de Polignac number, because 74733445 - 2³ = 74733437 is a prime.

It is a Duffinian number.

Its product of digits (141120) is a multiple of the sum of its prime factors (441).

It is a congruent number.

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, 238609 + ... + 238921.

It is an arithmetic number, because the mean of its divisors is an integer number (4045419).

Almost surely, 2^74733445 is an apocalyptic number.

It is an amenable number.

74733445 is a deficient number, since it is larger than the sum of its proper divisors (22356611).

74733445 is a wasteful number, since it uses less digits than its factorization.

74733445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 388 counting only the distinct ones).

The product of its digits is 141120, while the sum is 37.

The square root of 74733445 is about 8644.8507795103. The cubic root of 74733445 is about 421.2161369522.

The spelling of 74733445 in words is "seventy-four million, seven hundred thirty-three thousand, four hundred forty-five".