48689731 has 4 divisors (see below), whose sum is σ = 48783352. Its totient is φ = 48596112.

The previous prime is 48689701. The next prime is 48689749. The reversal of 48689731 is 13798684.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48689731 - 2¹³ = 48681539 is a prime.

It is a super-2 number, since 2×48689731² = 4741379809704722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48689701) 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, 46026 + ... + 47071.

It is an arithmetic number, because the mean of its divisors is an integer number (12195838).

Almost surely, 2^48689731 is an apocalyptic number.

48689731 is a deficient number, since it is larger than the sum of its proper divisors (93621).

48689731 is an equidigital number, since it uses as much as digits as its factorization.

48689731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93620.

The product of its digits is 290304, while the sum is 46.

The square root of 48689731 is about 6977.8027343857. The cubic root of 48689731 is about 365.1565750958.

The spelling of 48689731 in words is "forty-eight million, six hundred eighty-nine thousand, seven hundred thirty-one".