61733828 has 12 divisors (see below), whose sum is σ = 116344620. Its totient is φ = 28492512.

The previous prime is 61733827. The next prime is 61733849. The reversal of 61733828 is 82833716.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16144324 + 45589504 = 4018^2 + 6752^2 .

It is a super-2 number, since 2×61733828² = 7622131039067168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61733791 and 61733800.

It is not an unprimeable number, because it can be changed into a prime (61733827) 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 3 ways as a sum of consecutive naturals, for example, 593543 + ... + 593646.

It is an arithmetic number, because the mean of its divisors is an integer number (9695385).

Almost surely, 2^61733828 is an apocalyptic number.

It is an amenable number.

61733828 is a deficient number, since it is larger than the sum of its proper divisors (54610792).

61733828 is a wasteful number, since it uses less digits than its factorization.

61733828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187206 (or 1187204 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 61733828 is about 7857.0877556509. The cubic root of 61733828 is about 395.2219614545.

It can be divided in two parts, 6173 and 3828, that added together give a palindrome (10001).

The spelling of 61733828 in words is "sixty-one million, seven hundred thirty-three thousand, eight hundred twenty-eight".