49090739 has 4 divisors (see below), whose sum is σ = 49105056. Its totient is φ = 49076424.

The previous prime is 49090687. The next prime is 49090801. The reversal of 49090739 is 93709094.

49090739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49090739 is a prime.

It is a super-2 number, since 2×49090739² = 4819801311132242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49090696 and 49090705.

It is not an unprimeable number, because it can be changed into a prime (49020739) 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 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (12276264).

Almost surely, 2^49090739 is an apocalyptic number.

49090739 is a deficient number, since it is larger than the sum of its proper divisors (14317).

49090739 is an equidigital number, since it uses as much as digits as its factorization.

49090739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 49090739 is about 7006.4783593472. The cubic root of 49090739 is about 366.1563104522.

The spelling of 49090739 in words is "forty-nine million, ninety thousand, seven hundred thirty-nine".