47342091 has 16 divisors (see below), whose sum is σ = 67703040. Its totient is φ = 29334240.

The previous prime is 47342083. The next prime is 47342143. The reversal of 47342091 is 19024374.

It is a happy number.

It is not a de Polignac number, because 47342091 - 2³ = 47342083 is a prime.

It is a super-3 number, since 3×47342091³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47342041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (4231440).

Almost surely, 2^47342091 is an apocalyptic number.

47342091 is a deficient number, since it is larger than the sum of its proper divisors (20360949).

47342091 is a wasteful number, since it uses less digits than its factorization.

47342091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15746.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47342091 is about 6880.5589162509. The cubic root of 47342091 is about 361.7560574791.

The spelling of 47342091 in words is "forty-seven million, three hundred forty-two thousand, ninety-one".