48706781 has 4 divisors (see below), whose sum is σ = 49392864. Its totient is φ = 48020700.

The previous prime is 48706769. The next prime is 48706799. The reversal of 48706781 is 18760784.

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 not a de Polignac number, because 48706781 - 2¹⁰ = 48705757 is a prime.

It is a super-2 number, since 2×48706781² = 4744701030763922, 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 (48706741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342935 + ... + 343076.

It is an arithmetic number, because the mean of its divisors is an integer number (12348216).

Almost surely, 2^48706781 is an apocalyptic number.

It is an amenable number.

48706781 is a deficient number, since it is larger than the sum of its proper divisors (686083).

48706781 is an equidigital number, since it uses as much as digits as its factorization.

48706781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686082.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 48706781 is about 6979.0243587481. The cubic root of 48706781 is about 365.1991932064.

The spelling of 48706781 in words is "forty-eight million, seven hundred six thousand, seven hundred eighty-one".