74955644 has 12 divisors (see below), whose sum is σ = 135403968. Its totient is φ = 36268800.

The previous prime is 74955607. The next prime is 74955649. The reversal of 74955644 is 44655947.

It is a junction number, because it is equal to n+sod(n) for n = 74955595 and 74955604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74955649) 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, 302117 + ... + 302364.

It is an arithmetic number, because the mean of its divisors is an integer number (11283664).

Almost surely, 2^74955644 is an apocalyptic number.

It is an amenable number.

74955644 is a deficient number, since it is larger than the sum of its proper divisors (60448324).

74955644 is a wasteful number, since it uses less digits than its factorization.

74955644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604516 (or 604514 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 74955644 is about 8657.6927642415. The cubic root of 74955644 is about 421.6331800355.

The spelling of 74955644 in words is "seventy-four million, nine hundred fifty-five thousand, six hundred forty-four".