61276272 has 20 divisors (see below), whose sum is σ = 158297160. Its totient is φ = 20425408.

The previous prime is 61276261. The next prime is 61276277. The reversal of 61276272 is 27267216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61276277) 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, 638247 + ... + 638342.

It is an arithmetic number, because the mean of its divisors is an integer number (7914858).

Almost surely, 2^61276272 is an apocalyptic number.

It is an amenable number.

61276272 is an abundant number, since it is smaller than the sum of its proper divisors (97020888).

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

61276272 is a wasteful number, since it uses less digits than its factorization.

61276272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276600 (or 1276594 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 61276272 is about 7827.9161978141. The cubic root of 61276272 is about 394.2431096882.

The spelling of 61276272 in words is "sixty-one million, two hundred seventy-six thousand, two hundred seventy-two".