47692381 has 8 divisors (see below), whose sum is σ = 52655904. Its totient is φ = 42833520.

The previous prime is 47692373. The next prime is 47692387. The reversal of 47692381 is 18329674.

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

It is a cyclic number.

It is not a de Polignac number, because 47692381 - 2³ = 47692373 is a prime.

It is a super-2 number, since 2×47692381² = 4549126410898322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47692387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25206 + ... + 27031.

It is an arithmetic number, because the mean of its divisors is an integer number (6581988).

Almost surely, 2^47692381 is an apocalyptic number.

It is an amenable number.

47692381 is a deficient number, since it is larger than the sum of its proper divisors (4963523).

47692381 is a wasteful number, since it uses less digits than its factorization.

47692381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52331.

The product of its digits is 72576, while the sum is 40.

The square root of 47692381 is about 6905.9670575525. The cubic root of 47692381 is about 362.6460918882.

The spelling of 47692381 in words is "forty-seven million, six hundred ninety-two thousand, three hundred eighty-one".