46781136 has 30 divisors (see below), whose sum is σ = 130922610. Its totient is φ = 15593664.

The previous prime is 46781117. The next prime is 46781167. The reversal of 46781136 is 63118764.

It can be written as a sum of positive squares in only one way, i.e., 45481536 + 1299600 = 6744^2 + 1140^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 46781136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162291 + ... + 162578.

It is an arithmetic number, because the mean of its divisors is an integer number (4364087).

Almost surely, 2^46781136 is an apocalyptic number.

It is an amenable number.

46781136 is an abundant number, since it is smaller than the sum of its proper divisors (84141474).

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

46781136 is a wasteful number, since it uses less digits than its factorization.

46781136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324883 (or 324874 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 46781136 is about 6839.6736764264. The cubic root of 46781136 is about 360.3215645337.

The spelling of 46781136 in words is "forty-six million, seven hundred eighty-one thousand, one hundred thirty-six".