61500727 has 2 divisors, whose sum is σ = 61500728. Its totient is φ = 61500726.

The previous prime is 61500721. The next prime is 61500731. The reversal of 61500727 is 72700516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61500727 - 2⁷ = 61500599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61500695 and 61500704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61500721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30750363 + 30750364.

It is an arithmetic number, because the mean of its divisors is an integer number (30750364).

Almost surely, 2^61500727 is an apocalyptic number.

61500727 is a deficient number, since it is larger than the sum of its proper divisors (1).

61500727 is an equidigital number, since it uses as much as digits as its factorization.

61500727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 61500727 is about 7842.2399223691. The cubic root of 61500727 is about 394.7238939981.

The spelling of 61500727 in words is "sixty-one million, five hundred thousand, seven hundred twenty-seven".