47245478 has 8 divisors (see below), whose sum is σ = 80992272. Its totient is φ = 20248056.

The previous prime is 47245463. The next prime is 47245483. The reversal of 47245478 is 87454274.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687325 + ... + 1687352.

It is an arithmetic number, because the mean of its divisors is an integer number (10124034).

Almost surely, 2^47245478 is an apocalyptic number.

47245478 is a deficient number, since it is larger than the sum of its proper divisors (33746794).

47245478 is a wasteful number, since it uses less digits than its factorization.

47245478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374686.

The product of its digits is 250880, while the sum is 41.

The square root of 47245478 is about 6873.5346074636. The cubic root of 47245478 is about 361.5098062813.

The spelling of 47245478 in words is "forty-seven million, two hundred forty-five thousand, four hundred seventy-eight".