61456670 has 32 divisors (see below), whose sum is σ = 121002336. Its totient is φ = 22288000.

The previous prime is 61456657. The next prime is 61456673. The reversal of 61456670 is 7665416.

61456670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61456670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61456673) 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 15 ways as a sum of consecutive naturals, for example, 76712 + ... + 77508.

It is an arithmetic number, because the mean of its divisors is an integer number (3781323).

Almost surely, 2^61456670 is an apocalyptic number.

61456670 is a deficient number, since it is larger than the sum of its proper divisors (59545666).

61456670 is a wasteful number, since it uses less digits than its factorization.

61456670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 61456670 is about 7839.4304640069. The cubic root of 61456670 is about 394.6296159534.

It can be divided in two parts, 61456 and 670, that added together give a palindrome (62126).

The spelling of 61456670 in words is "sixty-one million, four hundred fifty-six thousand, six hundred seventy".