74200716497 has 4 divisors (see below), whose sum is σ = 74533455360. Its totient is φ = 73867977636.

The previous prime is 74200716463. The next prime is 74200716509. The reversal of 74200716497 is 79461700247.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79461700247 = 389 ⋅204271723.

It is a cyclic number.

It is not a de Polignac number, because 74200716497 - 2²⁰ = 74199667921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74200716797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166369097 + ... + 166369542.

It is an arithmetic number, because the mean of its divisors is an integer number (18633363840).

Almost surely, 2^74200716497 is an apocalyptic number.

It is an amenable number.

74200716497 is a deficient number, since it is larger than the sum of its proper divisors (332738863).

74200716497 is a wasteful number, since it uses less digits than its factorization.

74200716497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332738862.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 74200716497 in words is "seventy-four billion, two hundred million, seven hundred sixteen thousand, four hundred ninety-seven".