47745697 has 4 divisors (see below), whose sum is σ = 47765296. Its totient is φ = 47726100.

The previous prime is 47745683. The next prime is 47745767. The reversal of 47745697 is 79654774.

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: 79654774 = 2 ⋅39827387.

It is a cyclic number.

It is not a de Polignac number, because 47745697 - 2⁷ = 47745569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47745697.

It is not an unprimeable number, because it can be changed into a prime (47745097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (11941324).

Almost surely, 2^47745697 is an apocalyptic number.

It is an amenable number.

47745697 is a deficient number, since it is larger than the sum of its proper divisors (19599).

47745697 is a wasteful number, since it uses less digits than its factorization.

47745697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19598.

The product of its digits is 1481760, while the sum is 49.

The square root of 47745697 is about 6909.8261193752. The cubic root of 47745697 is about 362.7811773267.

The spelling of 47745697 in words is "forty-seven million, seven hundred forty-five thousand, six hundred ninety-seven".