49690666 has 8 divisors (see below), whose sum is σ = 74637504. Its totient is φ = 24811500.

The previous prime is 49690639. The next prime is 49690679. The reversal of 49690666 is 66609694.

49690666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 15040 + ... + 18043.

It is an arithmetic number, because the mean of its divisors is an integer number (9329688).

Almost surely, 2^49690666 is an apocalyptic number.

49690666 is a deficient number, since it is larger than the sum of its proper divisors (24946838).

49690666 is a wasteful number, since it uses less digits than its factorization.

49690666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33836.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 49690666 is about 7049.1606592558. The cubic root of 49690666 is about 367.6418469199.

The spelling of 49690666 in words is "forty-nine million, six hundred ninety thousand, six hundred sixty-six".