61045470074 has 16 divisors (see below), whose sum is σ = 91808337600. Its totient is φ = 30442725984.

The previous prime is 61045470067. The next prime is 61045470107. The reversal of 61045470074 is 47007454016.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545987 + ... + 6555305.

It is an arithmetic number, because the mean of its divisors is an integer number (5738021100).

Almost surely, 2^61045470074 is an apocalyptic number.

61045470074 is a deficient number, since it is larger than the sum of its proper divisors (30762867526).

61045470074 is a wasteful number, since it uses less digits than its factorization.

61045470074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 61045470074 in words is "sixty-one billion, forty-five million, four hundred seventy thousand, seventy-four".