61346420 has 24 divisors (see below), whose sum is σ = 129018624. Its totient is φ = 24502176.

The previous prime is 61346413. The next prime is 61346431. The reversal of 61346420 is 2464316.

It is a self number, because there is not a number n which added to its sum of digits gives 61346420.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14597 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (5375776).

Almost surely, 2^61346420 is an apocalyptic number.

It is an amenable number.

61346420 is an abundant number, since it is smaller than the sum of its proper divisors (67672204).

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

61346420 is a wasteful number, since it uses less digits than its factorization.

61346420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61346420 is about 7832.3955467022. The cubic root of 61346420 is about 394.3934931800.

The spelling of 61346420 in words is "sixty-one million, three hundred forty-six thousand, four hundred twenty".