74355347 has 12 divisors (see below), whose sum is σ = 82209960. Its totient is φ = 67198560.

The previous prime is 74355313. The next prime is 74355349.

74355347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74355347 - 2⁸ = 74355091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74355347.

It is not an unprimeable number, because it can be changed into a prime (74355349) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19943 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (6850830).

Almost surely, 2^74355347 is an apocalyptic number.

74355347 is a deficient number, since it is larger than the sum of its proper divisors (7854613).

74355347 is a wasteful number, since it uses less digits than its factorization.

74355347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3623 counting only the distinct ones).

The product of its digits is 176400, while the sum is 38.

The square root of 74355347 is about 8622.9546560329. The cubic root of 74355347 is about 420.5045844080.

The spelling of 74355347 in words is "seventy-four million, three hundred fifty-five thousand, three hundred forty-seven".