49697723 has 8 divisors (see below), whose sum is σ = 50949888. Its totient is φ = 48450024.

The previous prime is 49697717. The next prime is 49697761. The reversal of 49697723 is 32779694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49697723 - 2⁴ = 49697707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49697773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37490 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (6368736).

Almost surely, 2^49697723 is an apocalyptic number.

49697723 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

49697723 is a deficient number, since it is larger than the sum of its proper divisors (1252165).

49697723 is a wasteful number, since it uses less digits than its factorization.

49697723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its digits is 571536, while the sum is 47.

The square root of 49697723 is about 7049.6611975328. The cubic root of 49697723 is about 367.6592500925.

The spelling of 49697723 in words is "forty-nine million, six hundred ninety-seven thousand, seven hundred twenty-three".