61796420 has 24 divisors (see below), whose sum is σ = 148311744. Its totient is φ = 21187296.

The previous prime is 61796393. The next prime is 61796431. The reversal of 61796420 is 2469716.

61796420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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, 220562 + ... + 220841.

It is an arithmetic number, because the mean of its divisors is an integer number (6179656).

Almost surely, 2^61796420 is an apocalyptic number.

It is an amenable number.

61796420 is an abundant number, since it is smaller than the sum of its proper divisors (86515324).

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

61796420 is a wasteful number, since it uses less digits than its factorization.

61796420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441419 (or 441417 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 61796420 is about 7861.0699017373. The cubic root of 61796420 is about 395.3554883391.

The spelling of 61796420 in words is "sixty-one million, seven hundred ninety-six thousand, four hundred twenty".