74963613 has 4 divisors (see below), whose sum is σ = 99951488. Its totient is φ = 49975740.

The previous prime is 74963597. The next prime is 74963633. The reversal of 74963613 is 31636947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 74963613 - 2⁴ = 74963597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74963633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12493933 + ... + 12493938.

It is an arithmetic number, because the mean of its divisors is an integer number (24987872).

Almost surely, 2^74963613 is an apocalyptic number.

It is an amenable number.

74963613 is a deficient number, since it is larger than the sum of its proper divisors (24987875).

74963613 is a wasteful number, since it uses less digits than its factorization.

74963613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24987874.

The product of its digits is 81648, while the sum is 39.

The square root of 74963613 is about 8658.1529785515. The cubic root of 74963613 is about 421.6481216533.

The spelling of 74963613 in words is "seventy-four million, nine hundred sixty-three thousand, six hundred thirteen".