61200630 has 32 divisors (see below), whose sum is σ = 163202400. Its totient is φ = 16320096.

The previous prime is 61200617. The next prime is 61200649. The reversal of 61200630 is 3600216.

It is a happy number.

It is a super-2 number, since 2×61200630² = 7491034224793800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113065 + ... + 113604.

It is an arithmetic number, because the mean of its divisors is an integer number (5100075).

Almost surely, 2^61200630 is an apocalyptic number.

61200630 is an abundant number, since it is smaller than the sum of its proper divisors (102001770).

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

61200630 is a wasteful number, since it uses less digits than its factorization.

61200630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226685 (or 226679 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61200630 is about 7823.0831518015. The cubic root of 61200630 is about 394.0808194811.

Adding to 61200630 its reverse (3600216), we get a palindrome (64800846).

The spelling of 61200630 in words is "sixty-one million, two hundred thousand, six hundred thirty".