49314728 has 16 divisors (see below), whose sum is σ = 97332000. Its totient is φ = 23359536.

The previous prime is 49314721. The next prime is 49314743. The reversal of 49314728 is 82741394.

49314728 = 902² + 903² + ... + 958².

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 49314691 and 49314700.

It is not an unprimeable number, because it can be changed into a prime (49314721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162068 + ... + 162371.

It is an arithmetic number, because the mean of its divisors is an integer number (6083250).

Almost surely, 2^49314728 is an apocalyptic number.

It is an amenable number.

49314728 is a deficient number, since it is larger than the sum of its proper divisors (48017272).

49314728 is a wasteful number, since it uses less digits than its factorization.

49314728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324464 (or 324460 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 49314728 is about 7022.4445886030. Note that the first 3 decimals coincide. The cubic root of 49314728 is about 366.7123594113.

The spelling of 49314728 in words is "forty-nine million, three hundred fourteen thousand, seven hundred twenty-eight".