47321697 has 4 divisors (see below), whose sum is σ = 63095600. Its totient is φ = 31547796.

The previous prime is 47321689. The next prime is 47321699. The reversal of 47321697 is 79612374.

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.

It is not a de Polignac number, because 47321697 - 2³ = 47321689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47321699) 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, 7886947 + ... + 7886952.

It is an arithmetic number, because the mean of its divisors is an integer number (15773900).

Almost surely, 2^47321697 is an apocalyptic number.

It is an amenable number.

47321697 is a deficient number, since it is larger than the sum of its proper divisors (15773903).

47321697 is a wasteful number, since it uses less digits than its factorization.

47321697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773902.

The product of its digits is 63504, while the sum is 39.

The square root of 47321697 is about 6879.0767549141. The cubic root of 47321697 is about 361.7041043263.

The spelling of 47321697 in words is "forty-seven million, three hundred twenty-one thousand, six hundred ninety-seven".