47218046 has 4 divisors (see below), whose sum is σ = 70827072. Its totient is φ = 23609022.

The previous prime is 47218007. The next prime is 47218051. The reversal of 47218046 is 64081274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64081274 = 2 ⋅32040637.

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, 11804510 + ... + 11804513.

It is an arithmetic number, because the mean of its divisors is an integer number (17706768).

Almost surely, 2^47218046 is an apocalyptic number.

47218046 is a deficient number, since it is larger than the sum of its proper divisors (23609026).

47218046 is a wasteful number, since it uses less digits than its factorization.

47218046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23609025.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47218046 is about 6871.5388378441. The cubic root of 47218046 is about 361.4398252842.

The spelling of 47218046 in words is "forty-seven million, two hundred eighteen thousand, forty-six".