61195730474 has 4 divisors (see below), whose sum is σ = 91793595714. Its totient is φ = 30597865236.

The previous prime is 61195730471. The next prime is 61195730483. The reversal of 61195730474 is 47403759116.

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

It can be written as a sum of positive squares in only one way, i.e., 56314612249 + 4881118225 = 237307^2 + 69865^2 .

It is not an unprimeable number, because it can be changed into a prime (61195730471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15298932617 + ... + 15298932620.

Almost surely, 2^61195730474 is an apocalyptic number.

61195730474 is a deficient number, since it is larger than the sum of its proper divisors (30597865240).

61195730474 is a wasteful number, since it uses less digits than its factorization.

61195730474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30597865239.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 61195730474 in words is "sixty-one billion, one hundred ninety-five million, seven hundred thirty thousand, four hundred seventy-four".