61401682 has 8 divisors (see below), whose sum is σ = 94349052. Its totient is φ = 29952000.

The previous prime is 61401653. The next prime is 61401689. The reversal of 61401682 is 28610416.

61401682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60980481 + 421201 = 7809^2 + 649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61401682.

It is not an unprimeable number, because it can be changed into a prime (61401689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374319 + ... + 374482.

Almost surely, 2^61401682 is an apocalyptic number.

61401682 is a deficient number, since it is larger than the sum of its proper divisors (32947370).

61401682 is a wasteful number, since it uses less digits than its factorization.

61401682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748844.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61401682 is about 7835.9225366258. The cubic root of 61401682 is about 394.5118833108.

The spelling of 61401682 in words is "sixty-one million, four hundred one thousand, six hundred eighty-two".