49272666 has 16 divisors (see below), whose sum is σ = 98732064. Its totient is φ = 16393104.

The previous prime is 49272617. The next prime is 49272667. The reversal of 49272666 is 66627294.

It is a happy number.

It is a super-2 number, since 2×49272666² = 4855591229495112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49272667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225 + ... + 10788.

It is an arithmetic number, because the mean of its divisors is an integer number (6170754).

Almost surely, 2^49272666 is an apocalyptic number.

49272666 is an abundant number, since it is smaller than the sum of its proper divisors (49459398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49272666 is a wasteful number, since it uses less digits than its factorization.

49272666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565.

The product of its digits is 217728, while the sum is 42.

The square root of 49272666 is about 7019.4491236848. The cubic root of 49272666 is about 366.6080697913.

The spelling of 49272666 in words is "forty-nine million, two hundred seventy-two thousand, six hundred sixty-six".