46420681 has 4 divisors (see below), whose sum is σ = 47675332. Its totient is φ = 45166032.

The previous prime is 46420679. The next prime is 46420687. The reversal of 46420681 is 18602464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34621456 + 11799225 = 5884^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 46420681 - 2¹ = 46420679 is a prime.

It is a super-2 number, since 2×46420681² = 4309759249007522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46420687) 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 in 3 ways as a sum of consecutive naturals, for example, 627270 + ... + 627343.

It is an arithmetic number, because the mean of its divisors is an integer number (11918833).

Almost surely, 2^46420681 is an apocalyptic number.

It is an amenable number.

46420681 is a deficient number, since it is larger than the sum of its proper divisors (1254651).

46420681 is a wasteful number, since it uses less digits than its factorization.

46420681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254650.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 46420681 is about 6813.2724149266. The cubic root of 46420681 is about 359.3937352400.

The spelling of 46420681 in words is "forty-six million, four hundred twenty thousand, six hundred eighty-one".