46728251 has 4 divisors (see below), whose sum is σ = 48339600. Its totient is φ = 45116904.

The previous prime is 46728221. The next prime is 46728287. The reversal of 46728251 is 15282764.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46728251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46728211) 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, 805631 + ... + 805688.

It is an arithmetic number, because the mean of its divisors is an integer number (12084900).

Almost surely, 2^46728251 is an apocalyptic number.

46728251 is a deficient number, since it is larger than the sum of its proper divisors (1611349).

46728251 is a wasteful number, since it uses less digits than its factorization.

46728251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611348.

The product of its digits is 26880, while the sum is 35.

The square root of 46728251 is about 6835.8065361741. The cubic root of 46728251 is about 360.1857349186.

The spelling of 46728251 in words is "forty-six million, seven hundred twenty-eight thousand, two hundred fifty-one".