61420610 has 32 divisors (see below), whose sum is σ = 114739200. Its totient is φ = 23647680.

The previous prime is 61420607. The next prime is 61420613. The reversal of 61420610 is 1602416.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61420607) and next prime (61420613).

It is not an unprimeable number, because it can be changed into a prime (61420613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73676 + ... + 74504.

It is an arithmetic number, because the mean of its divisors is an integer number (3585600).

Almost surely, 2^61420610 is an apocalyptic number.

61420610 is a deficient number, since it is larger than the sum of its proper divisors (53318590).

61420610 is a wasteful number, since it uses less digits than its factorization.

61420610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 61420610 is about 7837.1302145620. The cubic root of 61420610 is about 394.5524172370.

The spelling of 61420610 in words is "sixty-one million, four hundred twenty thousand, six hundred ten".