49121738 has 16 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 22577856.

The previous prime is 49121713. The next prime is 49121747. The reversal of 49121738 is 83712194.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49121698 and 49121707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15338 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^49121738 is an apocalyptic number.

49121738 is a deficient number, since it is larger than the sum of its proper divisors (30711862).

49121738 is a wasteful number, since it uses less digits than its factorization.

49121738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33661.

The product of its digits is 12096, while the sum is 35.

The square root of 49121738 is about 7008.6901772014. The cubic root of 49121738 is about 366.2333656592.

The spelling of 49121738 in words is "forty-nine million, one hundred twenty-one thousand, seven hundred thirty-eight".