47821342 has 8 divisors (see below), whose sum is σ = 72297216. Its totient is φ = 23722272.

The previous prime is 47821339. The next prime is 47821343. The reversal of 47821342 is 24312874.

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

It is a super-3 number, since 3×47821342³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93883 + ... + 94390.

It is an arithmetic number, because the mean of its divisors is an integer number (9037152).

Almost surely, 2^47821342 is an apocalyptic number.

47821342 is a deficient number, since it is larger than the sum of its proper divisors (24475874).

47821342 is a wasteful number, since it uses less digits than its factorization.

47821342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188402.

The product of its digits is 10752, while the sum is 31.

The square root of 47821342 is about 6915.2976797821. The cubic root of 47821342 is about 362.9726647550.

The spelling of 47821342 in words is "forty-seven million, eight hundred twenty-one thousand, three hundred forty-two".