61461770 has 32 divisors (see below), whose sum is σ = 118385280. Its totient is φ = 22904640.

The previous prime is 61461761. The next prime is 61461781. The reversal of 61461770 is 7716416.

It is a happy number.

61461770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61461770³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

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, 8939 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (3699540).

Almost surely, 2^61461770 is an apocalyptic number.

61461770 is a deficient number, since it is larger than the sum of its proper divisors (56923510).

61461770 is a wasteful number, since it uses less digits than its factorization.

61461770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 61461770 is about 7839.7557359908. The cubic root of 61461770 is about 394.6405318033.

The spelling of 61461770 in words is "sixty-one million, four hundred sixty-one thousand, seven hundred seventy".