5206172074 has 4 divisors (see below), whose sum is σ = 7809258114. Its totient is φ = 2603086036.

The previous prime is 5206172009. The next prime is 5206172129. The reversal of 5206172074 is 4702716025.

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

It can be written as a sum of positive squares in only one way, i.e., 4385750625 + 820421449 = 66225^2 + 28643^2 .

It is a super-2 number, since 2×5206172074² = 54208455328194922952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301543017 + ... + 1301543020.

Almost surely, 2^5206172074 is an apocalyptic number.

5206172074 is a deficient number, since it is larger than the sum of its proper divisors (2603086040).

5206172074 is a wasteful number, since it uses less digits than its factorization.

5206172074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603086039.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 5206172074 is about 72153.8084511137. The cubic root of 5206172074 is about 1733.1633873404.

Adding to 5206172074 its reverse (4702716025), we get a palindrome (9908888099).

The spelling of 5206172074 in words is "five billion, two hundred six million, one hundred seventy-two thousand, seventy-four".