61074761 has 16 divisors (see below), whose sum is σ = 72057600. Its totient is φ = 51137280.

The previous prime is 61074757. The next prime is 61074779. The reversal of 61074761 is 16747016.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61074761 - 2² = 61074757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61074701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5315 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (4503600).

Almost surely, 2^61074761 is an apocalyptic number.

It is an amenable number.

61074761 is a deficient number, since it is larger than the sum of its proper divisors (10982839).

61074761 is a wasteful number, since it uses less digits than its factorization.

61074761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 61074761 is about 7815.0342929510. The cubic root of 61074761 is about 393.8104703970.

The spelling of 61074761 in words is "sixty-one million, seventy-four thousand, seven hundred sixty-one".