47320718 has 4 divisors (see below), whose sum is σ = 70981080. Its totient is φ = 23660358.

The previous prime is 47320699. The next prime is 47320723. The reversal of 47320718 is 81702374.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830178 + ... + 11830181.

It is an arithmetic number, because the mean of its divisors is an integer number (17745270).

Almost surely, 2^47320718 is an apocalyptic number.

47320718 is a deficient number, since it is larger than the sum of its proper divisors (23660362).

47320718 is a wasteful number, since it uses less digits than its factorization.

47320718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23660361.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 47320718 is about 6879.0055967414. The cubic root of 47320718 is about 361.7016099753.

The spelling of 47320718 in words is "forty-seven million, three hundred twenty thousand, seven hundred eighteen".