61276372004 has 6 divisors (see below), whose sum is σ = 107233651014. Its totient is φ = 30638186000.

The previous prime is 61276371983. The next prime is 61276372049. The reversal of 61276372004 is 40027367216.

It can be written as a sum of positive squares in only one way, i.e., 58393755904 + 2882616100 = 241648^2 + 53690^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659546497 + ... + 7659546504.

It is an arithmetic number, because the mean of its divisors is an integer number (17872275169).

Almost surely, 2^61276372004 is an apocalyptic number.

It is an amenable number.

61276372004 is a deficient number, since it is larger than the sum of its proper divisors (45957279010).

61276372004 is a wasteful number, since it uses less digits than its factorization.

61276372004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319093005 (or 15319093003 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 61276372004 in words is "sixty-one billion, two hundred seventy-six million, three hundred seventy-two thousand, four".