49017723 has 4 divisors (see below), whose sum is σ = 65356968. Its totient is φ = 32678480.

The previous prime is 49017719. The next prime is 49017733. The reversal of 49017723 is 32771094.

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 49017723 - 2² = 49017719 is a prime.

It is a super-3 number, since 3×49017723³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49017733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8169618 + ... + 8169623.

It is an arithmetic number, because the mean of its divisors is an integer number (16339242).

Almost surely, 2^49017723 is an apocalyptic number.

49017723 is a deficient number, since it is larger than the sum of its proper divisors (16339245).

49017723 is a wasteful number, since it uses less digits than its factorization.

49017723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16339244.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 49017723 is about 7001.2658141225. The cubic root of 49017723 is about 365.9746839666.

The spelling of 49017723 in words is "forty-nine million, seventeen thousand, seven hundred twenty-three".