61734493 has 2 divisors, whose sum is σ = 61734494. Its totient is φ = 61734492.

The previous prime is 61734467. The next prime is 61734503. The reversal of 61734493 is 39443716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 12201049 = 7038^2 + 3493^2 .

It is a cyclic number.

It is not a de Polignac number, because 61734493 - 2²¹ = 59637341 is a prime.

It is a super-2 number, since 2×61734493² = 7622295251934098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61734443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30867246 + 30867247.

It is an arithmetic number, because the mean of its divisors is an integer number (30867247).

Almost surely, 2^61734493 is an apocalyptic number.

It is an amenable number.

61734493 is a deficient number, since it is larger than the sum of its proper divisors (1).

61734493 is an equidigital number, since it uses as much as digits as its factorization.

61734493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 61734493 is about 7857.1300740156. The cubic root of 61734493 is about 395.2233805665.

The spelling of 61734493 in words is "sixty-one million, seven hundred thirty-four thousand, four hundred ninety-three".