61075958 has 4 divisors (see below), whose sum is σ = 91613940. Its totient is φ = 30537978.

The previous prime is 61075933. The next prime is 61075979. The reversal of 61075958 is 85957016.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15268988 + ... + 15268991.

It is an arithmetic number, because the mean of its divisors is an integer number (22903485).

Almost surely, 2^61075958 is an apocalyptic number.

61075958 is a deficient number, since it is larger than the sum of its proper divisors (30537982).

61075958 is a wasteful number, since it uses less digits than its factorization.

61075958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30537981.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 61075958 is about 7815.1108757330. The cubic root of 61075958 is about 393.8130431348.

The spelling of 61075958 in words is "sixty-one million, seventy-five thousand, nine hundred fifty-eight".