46672981 has 2 divisors, whose sum is σ = 46672982. Its totient is φ = 46672980.

The previous prime is 46672961. The next prime is 46673027. The reversal of 46672981 is 18927664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35343025 + 11329956 = 5945^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 46672981 - 2⁷ = 46672853 is a prime.

It is a super-2 number, since 2×46672981² = 4356734310852722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46672961) by changing a digit.

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 as a sum of consecutive naturals, namely, 23336490 + 23336491.

It is an arithmetic number, because the mean of its divisors is an integer number (23336491).

Almost surely, 2^46672981 is an apocalyptic number.

It is an amenable number.

46672981 is a deficient number, since it is larger than the sum of its proper divisors (1).

46672981 is an equidigital number, since it uses as much as digits as its factorization.

46672981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 46672981 is about 6831.7626568844. The cubic root of 46672981 is about 360.0436701139.

The spelling of 46672981 in words is "forty-six million, six hundred seventy-two thousand, nine hundred eighty-one".