49125739 has 8 divisors (see below), whose sum is σ = 54729360. Its totient is φ = 43782816.

The previous prime is 49125721. The next prime is 49125743. The reversal of 49125739 is 93752194.

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 49125739 - 2¹¹ = 49123691 is a prime.

It is a super-2 number, since 2×49125739² = 4826676464592242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49125709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64777 + ... + 65530.

It is an arithmetic number, because the mean of its divisors is an integer number (6841170).

Almost surely, 2^49125739 is an apocalyptic number.

49125739 is a deficient number, since it is larger than the sum of its proper divisors (5603621).

49125739 is a wasteful number, since it uses less digits than its factorization.

49125739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130349.

The product of its digits is 68040, while the sum is 40.

The square root of 49125739 is about 7008.9756027539. The cubic root of 49125739 is about 366.2433087107.

The spelling of 49125739 in words is "forty-nine million, one hundred twenty-five thousand, seven hundred thirty-nine".