61975630 has 8 divisors (see below), whose sum is σ = 111556152. Its totient is φ = 24790248.

The previous prime is 61975607. The next prime is 61975633. The reversal of 61975630 is 3657916.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61975630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61975633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098772 + ... + 3098791.

It is an arithmetic number, because the mean of its divisors is an integer number (13944519).

Almost surely, 2^61975630 is an apocalyptic number.

61975630 is a deficient number, since it is larger than the sum of its proper divisors (49580522).

61975630 is a wasteful number, since it uses less digits than its factorization.

61975630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197570.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 61975630 is about 7872.4602253679. The cubic root of 61975630 is about 395.7372972805.

The spelling of 61975630 in words is "sixty-one million, nine hundred seventy-five thousand, six hundred thirty".