61449267 has 32 divisors (see below), whose sum is σ = 93461760. Its totient is φ = 35579520.

The previous prime is 61449263. The next prime is 61449277. The reversal of 61449267 is 76294416.

It is a happy number.

61449267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61449267 - 2² = 61449263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61449263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71613 + ... + 72465.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^61449267 is an apocalyptic number.

61449267 is a deficient number, since it is larger than the sum of its proper divisors (32012493).

61449267 is a wasteful number, since it uses less digits than its factorization.

61449267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 72576, while the sum is 39.

The square root of 61449267 is about 7838.9582853846. The cubic root of 61449267 is about 394.6137697734.

It can be divided in two parts, 61449 and 267, that added together give a palindrome (61716).

The spelling of 61449267 in words is "sixty-one million, four hundred forty-nine thousand, two hundred sixty-seven".