46681930 has 16 divisors (see below), whose sum is σ = 84107880. Its totient is φ = 18654912.

The previous prime is 46681913. The next prime is 46681933. The reversal of 46681930 is 3918664.

It can be written as a sum of positive squares in 4 ways, for example, as 42003361 + 4678569 = 6481^2 + 2163^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 46681930.

It is not an unprimeable number, because it can be changed into a prime (46681933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15292 + ... + 18088.

Almost surely, 2^46681930 is an apocalyptic number.

46681930 is a deficient number, since it is larger than the sum of its proper divisors (37425950).

46681930 is a wasteful number, since it uses less digits than its factorization.

46681930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 46681930 is about 6832.4175809153. The cubic root of 46681930 is about 360.0666800354.

The spelling of 46681930 in words is "forty-six million, six hundred eighty-one thousand, nine hundred thirty".