61107628 has 6 divisors (see below), whose sum is σ = 106938356. Its totient is φ = 30553812.

The previous prime is 61107587. The next prime is 61107647. The reversal of 61107628 is 82670116.

It is a self number, because there is not a number n which added to its sum of digits gives 61107628.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638450 + ... + 7638457.

Almost surely, 2^61107628 is an apocalyptic number.

It is an amenable number.

61107628 is a deficient number, since it is larger than the sum of its proper divisors (45830728).

61107628 is a wasteful number, since it uses less digits than its factorization.

61107628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276911 (or 15276909 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 61107628 is about 7817.1368159960. The cubic root of 61107628 is about 393.8810999413.

The spelling of 61107628 in words is "sixty-one million, one hundred seven thousand, six hundred twenty-eight".