74939446 has 4 divisors (see below), whose sum is σ = 112409172. Its totient is φ = 37469722.

The previous prime is 74939441. The next prime is 74939461. The reversal of 74939446 is 64493947.

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

It is a junction number, because it is equal to n+sod(n) for n = 74939396 and 74939405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74939441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18734860 + ... + 18734863.

It is an arithmetic number, because the mean of its divisors is an integer number (28102293).

Almost surely, 2^74939446 is an apocalyptic number.

74939446 is a deficient number, since it is larger than the sum of its proper divisors (37469726).

74939446 is a wasteful number, since it uses less digits than its factorization.

74939446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37469725.

The product of its digits is 653184, while the sum is 46.

The square root of 74939446 is about 8656.7572450658. The cubic root of 74939446 is about 421.6028060441.

The spelling of 74939446 in words is "seventy-four million, nine hundred thirty-nine thousand, four hundred forty-six".