61476828 has 48 divisors (see below), whose sum is σ = 173585664. Its totient is φ = 16531200.

The previous prime is 61476809. The next prime is 61476829. The reversal of 61476828 is 82867416.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 61476828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61476829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20098 + ... + 22953.

It is an arithmetic number, because the mean of its divisors is an integer number (3616368).

Almost surely, 2^61476828 is an apocalyptic number.

61476828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61476828 is an abundant number, since it is smaller than the sum of its proper divisors (112108836).

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

61476828 is a wasteful number, since it uses less digits than its factorization.

61476828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43082 (or 43080 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 61476828 is about 7840.7160387301. The cubic root of 61476828 is about 394.6727578624.

The spelling of 61476828 in words is "sixty-one million, four hundred seventy-six thousand, eight hundred twenty-eight".