74258265197 has 4 divisors (see below), whose sum is σ = 74259572796. Its totient is φ = 74256957600.

The previous prime is 74258265187. The next prime is 74258265223. The reversal of 74258265197 is 79156285247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25457478916 + 48800786281 = 159554^2 + 220909^2 .

It is a cyclic number.

It is not a de Polignac number, because 74258265197 - 2¹² = 74258261101 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 (74258265127) 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, 564554 + ... + 683547.

It is an arithmetic number, because the mean of its divisors is an integer number (18564893199).

Almost surely, 2^74258265197 is an apocalyptic number.

It is an amenable number.

74258265197 is a deficient number, since it is larger than the sum of its proper divisors (1307599).

74258265197 is a wasteful number, since it uses less digits than its factorization.

74258265197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307598.

The product of its digits is 8467200, while the sum is 56.

The spelling of 74258265197 in words is "seventy-four billion, two hundred fifty-eight million, two hundred sixty-five thousand, one hundred ninety-seven".