61820832 has 48 divisors (see below), whose sum is σ = 170825760. Its totient is φ = 19521792.

The previous prime is 61820827. The next prime is 61820861. The reversal of 61820832 is 23802816.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 61820832.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15123 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (3558870).

Almost surely, 2^61820832 is an apocalyptic number.

It is an amenable number.

61820832 is an abundant number, since it is smaller than the sum of its proper divisors (109004928).

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

61820832 is a wasteful number, since it uses less digits than its factorization.

61820832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33925 (or 33917 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 61820832 is about 7862.6224632752. The cubic root of 61820832 is about 395.4075417728.

The spelling of 61820832 in words is "sixty-one million, eight hundred twenty thousand, eight hundred thirty-two".