61203970 has 16 divisors (see below), whose sum is σ = 110413440. Its totient is φ = 24426864.

The previous prime is 61203953. The next prime is 61203971. The reversal of 61203970 is 7930216.

It is not an unprimeable number, because it can be changed into a prime (61203971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (6900840).

Almost surely, 2^61203970 is an apocalyptic number.

61203970 is a deficient number, since it is larger than the sum of its proper divisors (49209470).

61203970 is a wasteful number, since it uses less digits than its factorization.

61203970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 61203970 is about 7823.2966197122. The cubic root of 61203970 is about 394.0879882853.

The spelling of 61203970 in words is "sixty-one million, two hundred three thousand, nine hundred seventy".