49712687 has 4 divisors (see below), whose sum is σ = 50868840. Its totient is φ = 48556536.

The previous prime is 49712681. The next prime is 49712731. The reversal of 49712687 is 78621794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78621794 = 2 ⋅39310897.

It is a cyclic number.

It is not a de Polignac number, because 49712687 - 2⁴ = 49712671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49712681) 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, 578012 + ... + 578097.

It is an arithmetic number, because the mean of its divisors is an integer number (12717210).

Almost surely, 2^49712687 is an apocalyptic number.

49712687 is a deficient number, since it is larger than the sum of its proper divisors (1156153).

49712687 is a wasteful number, since it uses less digits than its factorization.

49712687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156152.

The product of its digits is 169344, while the sum is 44.

The square root of 49712687 is about 7050.7224452534. The cubic root of 49712687 is about 367.6961471614.

The spelling of 49712687 in words is "forty-nine million, seven hundred twelve thousand, six hundred eighty-seven".