61604602 has 8 divisors (see below), whose sum is σ = 92995956. Its totient is φ = 30605952.

The previous prime is 61604579. The next prime is 61604633. The reversal of 61604602 is 20640616.

It is a happy number.

61604602 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 55935441 + 5669161 = 7479^2 + 2381^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 97783 + ... + 98410.

Almost surely, 2^61604602 is an apocalyptic number.

61604602 is a deficient number, since it is larger than the sum of its proper divisors (31391354).

61604602 is a wasteful number, since it uses less digits than its factorization.

61604602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196352.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61604602 is about 7848.8599172109. The cubic root of 61604602 is about 394.9459991339.

The spelling of 61604602 in words is "sixty-one million, six hundred four thousand, six hundred two".