61803272 has 8 divisors (see below), whose sum is σ = 115881150. Its totient is φ = 30901632.

The previous prime is 61803241. The next prime is 61803281. The reversal of 61803272 is 27230816.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 11874916 = 7066^2 + 3446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3862697 + ... + 3862712.

Almost surely, 2^61803272 is an apocalyptic number.

It is an amenable number.

61803272 is a deficient number, since it is larger than the sum of its proper divisors (54077878).

61803272 is a wasteful number, since it uses less digits than its factorization.

61803272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725415 (or 7725411 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61803272 is about 7861.5057081961. The cubic root of 61803272 is about 395.3701001655.

The spelling of 61803272 in words is "sixty-one million, eight hundred three thousand, two hundred seventy-two".