46980721 has 2 divisors, whose sum is σ = 46980722. Its totient is φ = 46980720.

The previous prime is 46980719. The next prime is 46980727. The reversal of 46980721 is 12708964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29550096 + 17430625 = 5436^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 46980721 - 2¹ = 46980719 is a prime.

Together with 46980719, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46980727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23490360 + 23490361.

It is an arithmetic number, because the mean of its divisors is an integer number (23490361).

Almost surely, 2^46980721 is an apocalyptic number.

It is an amenable number.

46980721 is a deficient number, since it is larger than the sum of its proper divisors (1).

46980721 is an equidigital number, since it uses as much as digits as its factorization.

46980721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 46980721 is about 6854.2483905969. The cubic root of 46980721 is about 360.8332576074.

The spelling of 46980721 in words is "forty-six million, nine hundred eighty thousand, seven hundred twenty-one".