61065776 has 20 divisors (see below), whose sum is σ = 118482000. Its totient is φ = 30489792.

The previous prime is 61065773. The next prime is 61065803. The reversal of 61065776 is 67756016.

It is not an unprimeable number, because it can be changed into a prime (61065773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11150 + ... + 15698.

It is an arithmetic number, because the mean of its divisors is an integer number (5924100).

Almost surely, 2^61065776 is an apocalyptic number.

It is an amenable number.

61065776 is a deficient number, since it is larger than the sum of its proper divisors (57416224).

61065776 is a wasteful number, since it uses less digits than its factorization.

61065776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 61065776 is about 7814.4594182835. The cubic root of 61065776 is about 393.7911576697.

The spelling of 61065776 in words is "sixty-one million, sixty-five thousand, seven hundred seventy-six".