47702397 has 8 divisors (see below), whose sum is σ = 65655040. Its totient is φ = 30775680.

The previous prime is 47702371. The next prime is 47702399. The reversal of 47702397 is 79320774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47702397 - 2⁷ = 47702269 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 (47702399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256372 + ... + 256557.

It is an arithmetic number, because the mean of its divisors is an integer number (8206880).

Almost surely, 2^47702397 is an apocalyptic number.

It is an amenable number.

47702397 is a deficient number, since it is larger than the sum of its proper divisors (17952643).

47702397 is a wasteful number, since it uses less digits than its factorization.

47702397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512963.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 47702397 is about 6906.6921894638. The cubic root of 47702397 is about 362.6714768584.

The spelling of 47702397 in words is "forty-seven million, seven hundred two thousand, three hundred ninety-seven".