61890832 has 10 divisors (see below), whose sum is σ = 119913518. Its totient is φ = 30945408.

The previous prime is 61890799. The next prime is 61890839. The reversal of 61890832 is 23809816.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 14776336 = 6864^2 + 3844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61890791 and 61890800.

It is not an unprimeable number, because it can be changed into a prime (61890839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934073 + ... + 1934104.

Almost surely, 2^61890832 is an apocalyptic number.

It is an amenable number.

61890832 is a deficient number, since it is larger than the sum of its proper divisors (58022686).

61890832 is a wasteful number, since it uses less digits than its factorization.

61890832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868185 (or 3868179 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 61890832 is about 7867.0726448915. The cubic root of 61890832 is about 395.5567260459.

The spelling of 61890832 in words is "sixty-one million, eight hundred ninety thousand, eight hundred thirty-two".