47542340 has 12 divisors (see below), whose sum is σ = 99838956. Its totient is φ = 19016928.

The previous prime is 47542337. The next prime is 47542361. The reversal of 47542340 is 4324574.

It can be written as a sum of positive squares in 2 ways, for example, as 26234884 + 21307456 = 5122^2 + 4616^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1188539 + ... + 1188578.

It is an arithmetic number, because the mean of its divisors is an integer number (8319913).

Almost surely, 2^47542340 is an apocalyptic number.

It is an amenable number.

47542340 is an abundant number, since it is smaller than the sum of its proper divisors (52296616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47542340 is a wasteful number, since it uses less digits than its factorization.

47542340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377126 (or 2377124 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 47542340 is about 6895.0953582964. The cubic root of 47542340 is about 362.2653955646.

The spelling of 47542340 in words is "forty-seven million, five hundred forty-two thousand, three hundred forty".