61069828 has 12 divisors (see below), whose sum is σ = 109479132. Its totient is φ = 29790080.

The previous prime is 61069817. The next prime is 61069843. The reversal of 61069828 is 82896016.

It can be written as a sum of positive squares in 2 ways, for example, as 24127744 + 36942084 = 4912^2 + 6078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186025 + ... + 186352.

It is an arithmetic number, because the mean of its divisors is an integer number (9123261).

Almost surely, 2^61069828 is an apocalyptic number.

It is an amenable number.

61069828 is a deficient number, since it is larger than the sum of its proper divisors (48409304).

61069828 is a wasteful number, since it uses less digits than its factorization.

61069828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372422 (or 372420 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 61069828 is about 7814.7186769582. The cubic root of 61069828 is about 393.7998674391.

The spelling of 61069828 in words is "sixty-one million, sixty-nine thousand, eight hundred twenty-eight".