47136620 has 12 divisors (see below), whose sum is σ = 98986944. Its totient is φ = 18854640.

The previous prime is 47136589. The next prime is 47136653. The reversal of 47136620 is 2663174.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1178396 + ... + 1178435.

It is an arithmetic number, because the mean of its divisors is an integer number (8248912).

Almost surely, 2^47136620 is an apocalyptic number.

It is an amenable number.

47136620 is an abundant number, since it is smaller than the sum of its proper divisors (51850324).

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

47136620 is a wasteful number, since it uses less digits than its factorization.

47136620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356840 (or 2356838 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 47136620 is about 6865.6114075878. The cubic root of 47136620 is about 361.2319419620.

Adding to 47136620 its reverse (2663174), we get a palindrome (49799794).

The spelling of 47136620 in words is "forty-seven million, one hundred thirty-six thousand, six hundred twenty".