61200075 has 24 divisors (see below), whose sum is σ = 101618496. Its totient is φ = 32500000.

The previous prime is 61200071. The next prime is 61200077. The reversal of 61200075 is 57000216.

It is not a de Polignac number, because 61200075 - 2² = 61200071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61200071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17200 + ... + 20450.

It is an arithmetic number, because the mean of its divisors is an integer number (4234104).

Almost surely, 2^61200075 is an apocalyptic number.

61200075 is a deficient number, since it is larger than the sum of its proper divisors (40418421).

61200075 is a wasteful number, since it uses less digits than its factorization.

61200075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 61200075 is about 7823.0476797729. The cubic root of 61200075 is about 394.0796282324.

The spelling of 61200075 in words is "sixty-one million, two hundred thousand, seventy-five".