61292380 has 36 divisors (see below), whose sum is σ = 131308632. Its totient is φ = 24032320.

The previous prime is 61292369. The next prime is 61292389. The reversal of 61292380 is 8329216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61292389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55635 + ... + 56725.

It is an arithmetic number, because the mean of its divisors is an integer number (3647462).

Almost surely, 2^61292380 is an apocalyptic number.

It is an amenable number.

61292380 is an abundant number, since it is smaller than the sum of its proper divisors (70016252).

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

61292380 is a wasteful number, since it uses less digits than its factorization.

61292380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 61292380 is about 7828.9450119413. The cubic root of 61292380 is about 394.2776522141.

The spelling of 61292380 in words is "sixty-one million, two hundred ninety-two thousand, three hundred eighty".