49780719 has 24 divisors (see below), whose sum is σ = 73616400. Its totient is φ = 32405760.

The previous prime is 49780693. The next prime is 49780723. The reversal of 49780719 is 91708794.

It is not a de Polignac number, because 49780719 - 2⁸ = 49780463 is a prime.

It is a super-2 number, since 2×49780719² = 4956239968313922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49780769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127777 + ... + 128165.

It is an arithmetic number, because the mean of its divisors is an integer number (3067350).

Almost surely, 2^49780719 is an apocalyptic number.

49780719 is a deficient number, since it is larger than the sum of its proper divisors (23835681).

49780719 is a wasteful number, since it uses less digits than its factorization.

49780719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 49780719 is about 7055.5452659593. The cubic root of 49780719 is about 367.8638018948.

The spelling of 49780719 in words is "forty-nine million, seven hundred eighty thousand, seven hundred nineteen".