47242454 has 16 divisors (see below), whose sum is σ = 81076128. Its totient is φ = 20224512.

The previous prime is 47242411. The next prime is 47242469. The reversal of 47242454 is 45424274.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47242454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21302 + ... + 23414.

It is an arithmetic number, because the mean of its divisors is an integer number (5067258).

Almost surely, 2^47242454 is an apocalyptic number.

47242454 is a deficient number, since it is larger than the sum of its proper divisors (33833674).

47242454 is a wasteful number, since it uses less digits than its factorization.

47242454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 35840, while the sum is 32.

The square root of 47242454 is about 6873.3146297838. The cubic root of 47242454 is about 361.5020931694.

The spelling of 47242454 in words is "forty-seven million, two hundred forty-two thousand, four hundred fifty-four".