49721446 has 8 divisors (see below), whose sum is σ = 77824944. Its totient is φ = 23779800.

The previous prime is 49721407. The next prime is 49721467. The reversal of 49721446 is 64412794.

It is a happy number.

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

It is a congruent number.

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, 540405 + ... + 540496.

It is an arithmetic number, because the mean of its divisors is an integer number (9728118).

Almost surely, 2^49721446 is an apocalyptic number.

49721446 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

49721446 is a deficient number, since it is larger than the sum of its proper divisors (28103498).

49721446 is a wasteful number, since it uses less digits than its factorization.

49721446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080926.

The product of its digits is 48384, while the sum is 37.

The square root of 49721446 is about 7051.3435599182. The cubic root of 49721446 is about 367.7177409879.

The spelling of 49721446 in words is "forty-nine million, seven hundred twenty-one thousand, four hundred forty-six".