61604202 has 16 divisors (see below), whose sum is σ = 134409312. Its totient is φ = 18667920.

The previous prime is 61604183. The next prime is 61604203. The reversal of 61604202 is 20240616.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61604203) 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 7 ways as a sum of consecutive naturals, for example, 466633 + ... + 466764.

It is an arithmetic number, because the mean of its divisors is an integer number (8400582).

Almost surely, 2^61604202 is an apocalyptic number.

61604202 is an abundant number, since it is smaller than the sum of its proper divisors (72805110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61604202 is a wasteful number, since it uses less digits than its factorization.

61604202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933413.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61604202 is about 7848.8344357618. The cubic root of 61604202 is about 394.9451443344.

Adding to 61604202 its reverse (20240616), we get a palindrome (81844818).

The spelling of 61604202 in words is "sixty-one million, six hundred four thousand, two hundred two".