74477229 has 8 divisors (see below), whose sum is σ = 99807840. Its totient is φ = 49399056.

The previous prime is 74477219. The next prime is 74477237. The reversal of 74477229 is 92277447.

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

It is not a de Polignac number, because 74477229 - 2⁴ = 74477213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74477209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62419 + ... + 63600.

It is an arithmetic number, because the mean of its divisors is an integer number (12475980).

Almost surely, 2^74477229 is an apocalyptic number.

It is an amenable number.

74477229 is a deficient number, since it is larger than the sum of its proper divisors (25330611).

74477229 is a wasteful number, since it uses less digits than its factorization.

74477229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126219.

The product of its digits is 197568, while the sum is 42.

The square root of 74477229 is about 8630.0190613926. The cubic root of 74477229 is about 420.7342202648.

The spelling of 74477229 in words is "seventy-four million, four hundred seventy-seven thousand, two hundred twenty-nine".