47540386 has 8 divisors (see below), whose sum is σ = 72375120. Its totient is φ = 23415348.

The previous prime is 47540351. The next prime is 47540399. The reversal of 47540386 is 68304574.

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

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, 177256 + ... + 177523.

It is an arithmetic number, because the mean of its divisors is an integer number (9046890).

Almost surely, 2^47540386 is an apocalyptic number.

47540386 is a deficient number, since it is larger than the sum of its proper divisors (24834734).

47540386 is a wasteful number, since it uses less digits than its factorization.

47540386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354848.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 47540386 is about 6894.9536619183. The cubic root of 47540386 is about 362.2604324357.

The spelling of 47540386 in words is "forty-seven million, five hundred forty thousand, three hundred eighty-six".