49728458 has 8 divisors (see below), whose sum is σ = 80330628. Its totient is φ = 22951584.

The previous prime is 49728443. The next prime is 49728463. The reversal of 49728458 is 85482794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49603849 + 124609 = 7043^2 + 353^2 .

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

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, 956291 + ... + 956342.

Almost surely, 2^49728458 is an apocalyptic number.

49728458 is a deficient number, since it is larger than the sum of its proper divisors (30602170).

49728458 is a wasteful number, since it uses less digits than its factorization.

49728458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912648.

The product of its digits is 645120, while the sum is 47.

The square root of 49728458 is about 7051.8407525979. The cubic root of 49728458 is about 367.7350260551.

The spelling of 49728458 in words is "forty-nine million, seven hundred twenty-eight thousand, four hundred fifty-eight".