74442310 has 8 divisors (see below), whose sum is σ = 133996176. Its totient is φ = 29776920.

The previous prime is 74442307. The next prime is 74442343. The reversal of 74442310 is 1324447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74442310² = 11083315036272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3722106 + ... + 3722125.

It is an arithmetic number, because the mean of its divisors is an integer number (16749522).

Almost surely, 2^74442310 is an apocalyptic number.

74442310 is a deficient number, since it is larger than the sum of its proper divisors (59553866).

74442310 is a wasteful number, since it uses less digits than its factorization.

74442310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444238.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 74442310 is about 8627.9957116355. The cubic root of 74442310 is about 420.6684555781.

Adding to 74442310 its reverse (1324447), we get a palindrome (75766757).

The spelling of 74442310 in words is "seventy-four million, four hundred forty-two thousand, three hundred ten".