61270997074 has 8 divisors (see below), whose sum is σ = 105035995008. Its totient is φ = 26258998740.

The previous prime is 61270997057. The next prime is 61270997077. The reversal of 61270997074 is 47079907216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61270997074² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61270997077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2188249882 + ... + 2188249909.

It is an arithmetic number, because the mean of its divisors is an integer number (13129499376).

Almost surely, 2^61270997074 is an apocalyptic number.

61270997074 is a deficient number, since it is larger than the sum of its proper divisors (43764997934).

61270997074 is a wasteful number, since it uses less digits than its factorization.

61270997074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376499800.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 61270997074 in words is "sixty-one billion, two hundred seventy million, nine hundred ninety-seven thousand, seventy-four".