61029700 has 36 divisors (see below), whose sum is σ = 136713472. Its totient is φ = 23623200.

The previous prime is 61029673. The next prime is 61029733. The reversal of 61029700 is 792016.

61029700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6744 + ... + 12943.

Almost surely, 2^61029700 is an apocalyptic number.

It is an amenable number.

61029700 is an abundant number, since it is smaller than the sum of its proper divisors (75683772).

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

61029700 is a wasteful number, since it uses less digits than its factorization.

61029700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732 (or 19725 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 61029700 is about 7812.1507921955. The cubic root of 61029700 is about 393.7135953577.

The spelling of 61029700 in words is "sixty-one million, twenty-nine thousand, seven hundred".