7472869817 has 4 divisors (see below), whose sum is σ = 8540422656. Its totient is φ = 6405316980.

The previous prime is 7472869799. The next prime is 7472869823. The reversal of 7472869817 is 7189682747.

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: 7189682747 = 13 ⋅553052519.

It is a cyclic number.

It is not a de Polignac number, because 7472869817 - 2⁸ = 7472869561 is a prime.

It is a super-2 number, since 2×7472869817² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7472869837) 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, 533776409 + ... + 533776422.

It is an arithmetic number, because the mean of its divisors is an integer number (2135105664).

Almost surely, 2^7472869817 is an apocalyptic number.

It is an amenable number.

7472869817 is a deficient number, since it is larger than the sum of its proper divisors (1067552839).

7472869817 is a wasteful number, since it uses less digits than its factorization.

7472869817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067552838.

The product of its digits is 9483264, while the sum is 59.

The square root of 7472869817 is about 86445.7622847991. The cubic root of 7472869817 is about 1955.0707227769.

The spelling of 7472869817 in words is "seven billion, four hundred seventy-two million, eight hundred sixty-nine thousand, eight hundred seventeen".