61072703 has 2 divisors, whose sum is σ = 61072704. Its totient is φ = 61072702.

The previous prime is 61072691. The next prime is 61072733. The reversal of 61072703 is 30727016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61072703 - 2⁶ = 61072639 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61072733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30536351 + 30536352.

It is an arithmetic number, because the mean of its divisors is an integer number (30536352).

Almost surely, 2^61072703 is an apocalyptic number.

61072703 is a deficient number, since it is larger than the sum of its proper divisors (1).

61072703 is an equidigital number, since it uses as much as digits as its factorization.

61072703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 61072703 is about 7814.9026225539. The cubic root of 61072703 is about 393.8060470147.

Adding to 61072703 its reverse (30727016), we get a palindrome (91799719).

The spelling of 61072703 in words is "sixty-one million, seventy-two thousand, seven hundred three".