61790723 has 2 divisors, whose sum is σ = 61790724. Its totient is φ = 61790722.

The previous prime is 61790711. The next prime is 61790737. The reversal of 61790723 is 32709716.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61790723 is a prime.

It is not a weakly prime, because it can be changed into another prime (61790123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30895361 + 30895362.

It is an arithmetic number, because the mean of its divisors is an integer number (30895362).

Almost surely, 2^61790723 is an apocalyptic number.

61790723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61790723 is an equidigital number, since it uses as much as digits as its factorization.

61790723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 61790723 is about 7860.7075381291. The cubic root of 61790723 is about 395.3433387170.

The spelling of 61790723 in words is "sixty-one million, seven hundred ninety thousand, seven hundred twenty-three".