61502080 has 32 divisors (see below), whose sum is σ = 147029940. Its totient is φ = 24600576.

The previous prime is 61502071. The next prime is 61502093. The reversal of 61502080 is 8020516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52881984 + 8620096 = 7272^2 + 2936^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47409 + ... + 48688.

Almost surely, 2^61502080 is an apocalyptic number.

It is an amenable number.

61502080 is an abundant number, since it is smaller than the sum of its proper divisors (85527860).

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

61502080 is an equidigital number, since it uses as much as digits as its factorization.

61502080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96116 (or 96104 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 61502080 is about 7842.3261855141. The cubic root of 61502080 is about 394.7267885845.

Adding to 61502080 its reverse (8020516), we get a palindrome (69522596).

The spelling of 61502080 in words is "sixty-one million, five hundred two thousand, eighty".