49728970 has 8 divisors (see below), whose sum is σ = 89512164. Its totient is φ = 19891584.

The previous prime is 49728949. The next prime is 49728989. The reversal of 49728970 is 7982794.

It can be written as a sum of positive squares in 2 ways, for example, as 45306361 + 4422609 = 6731^2 + 2103^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 49728970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486439 + ... + 2486458.

Almost surely, 2^49728970 is an apocalyptic number.

49728970 is a deficient number, since it is larger than the sum of its proper divisors (39783194).

49728970 is a wasteful number, since it uses less digits than its factorization.

49728970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972904.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 49728970 is about 7051.8770550826. The cubic root of 49728970 is about 367.7362881070.

The spelling of 49728970 in words is "forty-nine million, seven hundred twenty-eight thousand, nine hundred seventy".