49290745 has 16 divisors (see below), whose sum is σ = 68709888. Its totient is φ = 33243840.

The previous prime is 49290743. The next prime is 49290751. The reversal of 49290745 is 54709294.

It is not a de Polignac number, because 49290745 - 2¹ = 49290743 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49290698 and 49290707.

It is not an unprimeable number, because it can be changed into a prime (49290743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (4294368).

Almost surely, 2^49290745 is an apocalyptic number.

It is an amenable number.

49290745 is a deficient number, since it is larger than the sum of its proper divisors (19419143).

49290745 is a wasteful number, since it uses less digits than its factorization.

49290745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49290745 is about 7020.7367846972. The cubic root of 49290745 is about 366.6529026055.

The spelling of 49290745 in words is "forty-nine million, two hundred ninety thousand, seven hundred forty-five".