74655398 has 16 divisors (see below), whose sum is σ = 119684304. Its totient is φ = 34801920.

The previous prime is 74655397. The next prime is 74655403. The reversal of 74655398 is 89355647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74655391) 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 7 ways as a sum of consecutive naturals, for example, 6623 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (7480269).

Almost surely, 2^74655398 is an apocalyptic number.

74655398 is a deficient number, since it is larger than the sum of its proper divisors (45028906).

74655398 is a wasteful number, since it uses less digits than its factorization.

74655398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20647.

The product of its digits is 907200, while the sum is 47.

The square root of 74655398 is about 8640.3355258925. The cubic root of 74655398 is about 421.0694551617.

The spelling of 74655398 in words is "seventy-four million, six hundred fifty-five thousand, three hundred ninety-eight".