61273204 has 6 divisors (see below), whose sum is σ = 107228114. Its totient is φ = 30636600.

The previous prime is 61273171. The next prime is 61273217. The reversal of 61273204 is 40237216.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 25989604 = 5940^2 + 5098^2 .

It is a super-3 number, since 3×61273204³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659147 + ... + 7659154.

Almost surely, 2^61273204 is an apocalyptic number.

It is an amenable number.

61273204 is a deficient number, since it is larger than the sum of its proper divisors (45954910).

61273204 is a wasteful number, since it uses less digits than its factorization.

61273204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318305 (or 15318303 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 61273204 is about 7827.7202300542. The cubic root of 61273204 is about 394.2365298817.

The spelling of 61273204 in words is "sixty-one million, two hundred seventy-three thousand, two hundred four".