49520739 has 8 divisors (see below), whose sum is σ = 66100752. Its totient is φ = 32977280.

The previous prime is 49520687. The next prime is 49520741. The reversal of 49520739 is 93702594.

49520739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49520739 - 2⁸ = 49520483 is a prime.

It is a super-2 number, since 2×49520739² = 4904607182212242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49520697 and 49520706.

It is not an unprimeable number, because it can be changed into a prime (49520749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5802 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (8262594).

Almost surely, 2^49520739 is an apocalyptic number.

49520739 is a deficient number, since it is larger than the sum of its proper divisors (16580013).

49520739 is a wasteful number, since it uses less digits than its factorization.

49520739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 49520739 is about 7037.0973419443. The cubic root of 49520739 is about 367.2222937870. Note that the first 4 decimals are identical.

The spelling of 49520739 in words is "forty-nine million, five hundred twenty thousand, seven hundred thirty-nine".