61790328 has 48 divisors (see below), whose sum is σ = 174629520. Its totient is φ = 19700736.

The previous prime is 61790303. The next prime is 61790341. The reversal of 61790328 is 82309716.

61790328 is a `hidden beast` number, since 617 + 9 + 0 + 32 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61790292 and 61790301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17001 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (3638115).

Almost surely, 2^61790328 is an apocalyptic number.

It is an amenable number.

61790328 is an abundant number, since it is smaller than the sum of its proper divisors (112839192).

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

61790328 is a wasteful number, since it uses less digits than its factorization.

61790328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37348 (or 37341 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 61790328 is about 7860.6824131242. The cubic root of 61790328 is about 395.3424962985.

The spelling of 61790328 in words is "sixty-one million, seven hundred ninety thousand, three hundred twenty-eight".