47400446 has 4 divisors (see below), whose sum is σ = 71100672. Its totient is φ = 23700222.

The previous prime is 47400427. The next prime is 47400473. The reversal of 47400446 is 64400474.

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, 11850110 + ... + 11850113.

It is an arithmetic number, because the mean of its divisors is an integer number (17775168).

Almost surely, 2^47400446 is an apocalyptic number.

47400446 is a deficient number, since it is larger than the sum of its proper divisors (23700226).

47400446 is a wasteful number, since it uses less digits than its factorization.

47400446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23700225.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 47400446 is about 6884.7981815010. The cubic root of 47400446 is about 361.9046328557.

The spelling of 47400446 in words is "forty-seven million, four hundred thousand, four hundred forty-six".