46472981 has 4 divisors (see below), whose sum is σ = 47553792. Its totient is φ = 45392172.

The previous prime is 46472971. The next prime is 46473001. The reversal of 46472981 is 18927464.

46472981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46472981 is a prime.

It is a super-2 number, since 2×46472981² = 4319475926052722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46472971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540341 + ... + 540426.

It is an arithmetic number, because the mean of its divisors is an integer number (11888448).

Almost surely, 2^46472981 is an apocalyptic number.

It is an amenable number.

46472981 is a deficient number, since it is larger than the sum of its proper divisors (1080811).

46472981 is a wasteful number, since it uses less digits than its factorization.

46472981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080810.

The product of its digits is 96768, while the sum is 41.

The square root of 46472981 is about 6817.1094314233. The cubic root of 46472981 is about 359.5286552613.

The spelling of 46472981 in words is "forty-six million, four hundred seventy-two thousand, nine hundred eighty-one".