48639737 has 4 divisors (see below), whose sum is σ = 51500916. Its totient is φ = 45778560.

The previous prime is 48639727. The next prime is 48639749. The reversal of 48639737 is 73793684.

It is a happy number.

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 26020201 + 22619536 = 5101^2 + 4756^2 .

It is a cyclic number.

It is not a de Polignac number, because 48639737 - 2⁶ = 48639673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48639691 and 48639700.

It is not an unprimeable number, because it can be changed into a prime (48639707) 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, 1430564 + ... + 1430597.

It is an arithmetic number, because the mean of its divisors is an integer number (12875229).

Almost surely, 2^48639737 is an apocalyptic number.

It is an amenable number.

48639737 is a deficient number, since it is larger than the sum of its proper divisors (2861179).

48639737 is a wasteful number, since it uses less digits than its factorization.

48639737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861178.

The product of its digits is 762048, while the sum is 47.

The square root of 48639737 is about 6974.2194545340. The cubic root of 48639737 is about 365.0315529112.

The spelling of 48639737 in words is "forty-eight million, six hundred thirty-nine thousand, seven hundred thirty-seven".