74694398 has 4 divisors (see below), whose sum is σ = 112041600. Its totient is φ = 37347198.

The previous prime is 74694391. The next prime is 74694419. The reversal of 74694398 is 89349647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89349647 = 19 ⋅4702613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74694391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18673598 + ... + 18673601.

It is an arithmetic number, because the mean of its divisors is an integer number (28010400).

Almost surely, 2^74694398 is an apocalyptic number.

74694398 is a deficient number, since it is larger than the sum of its proper divisors (37347202).

74694398 is a wasteful number, since it uses less digits than its factorization.

74694398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37347201.

The product of its digits is 1306368, while the sum is 50.

The square root of 74694398 is about 8642.5920880254. The cubic root of 74694398 is about 421.1427646631.

The spelling of 74694398 in words is "seventy-four million, six hundred ninety-four thousand, three hundred ninety-eight".