61828072 has 16 divisors (see below), whose sum is σ = 116085060. Its totient is φ = 30872064.

The previous prime is 61828027. The next prime is 61828141. The reversal of 61828072 is 27082816.

It can be written as a sum of positive squares in 2 ways, for example, as 58890276 + 2937796 = 7674^2 + 1714^2 .

It is an unprimeable number.

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, 1528 + ... + 11224.

Almost surely, 2^61828072 is an apocalyptic number.

It is an amenable number.

61828072 is a deficient number, since it is larger than the sum of its proper divisors (54256988).

61828072 is a wasteful number, since it uses less digits than its factorization.

61828072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500 (or 10496 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 61828072 is about 7863.0828559796. The cubic root of 61828072 is about 395.4229769088.

The spelling of 61828072 in words is "sixty-one million, eight hundred twenty-eight thousand, seventy-two".