61149080 has 32 divisors (see below), whose sum is σ = 138121200. Its totient is φ = 24364416.

The previous prime is 61149073. The next prime is 61149083. The reversal of 61149080 is 8094116.

61149080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61149083) 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 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 13601.

Almost surely, 2^61149080 is an apocalyptic number.

It is an amenable number.

61149080 is an abundant number, since it is smaller than the sum of its proper divisors (76972120).

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

61149080 is a wasteful number, since it uses less digits than its factorization.

61149080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 61149080 is about 7819.7877209039. The cubic root of 61149080 is about 393.9701421197.

The spelling of 61149080 in words is "sixty-one million, one hundred forty-nine thousand, eighty".