61116737 has 6 divisors (see below), whose sum is σ = 67178034. Its totient is φ = 55560560.

The previous prime is 61116703. The next prime is 61116761. The reversal of 61116737 is 73761116.

It can be written as a sum of positive squares in only one way, i.e., 31348801 + 29767936 = 5599^2 + 5456^2 .

It is not a de Polignac number, because 61116737 - 2¹⁰ = 61115713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61115737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252428 + ... + 252669.

It is an arithmetic number, because the mean of its divisors is an integer number (11196339).

Almost surely, 2^61116737 is an apocalyptic number.

It is an amenable number.

61116737 is a deficient number, since it is larger than the sum of its proper divisors (6061297).

61116737 is a wasteful number, since it uses less digits than its factorization.

61116737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505119 (or 505108 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 61116737 is about 7817.7194244869. The cubic root of 61116737 is about 393.9006702459.

The spelling of 61116737 in words is "sixty-one million, one hundred sixteen thousand, seven hundred thirty-seven".