61734913 has 2 divisors, whose sum is σ = 61734914. Its totient is φ = 61734912.

The previous prime is 61734899. The next prime is 61734941. The reversal of 61734913 is 31943716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48608784 + 13126129 = 6972^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 61734913 - 2²¹ = 59637761 is a prime.

It is a super-2 number, since 2×61734913² = 7622398966235138, which contains 22 as substring.

It is equal to p_3658831 and since 61734913 and 3658831 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61734943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30867456 + 30867457.

It is an arithmetic number, because the mean of its divisors is an integer number (30867457).

It is a Proth number, since it is equal to 471 ⋅ 2¹⁷ + 1 and 471 < 2¹⁷.

Almost surely, 2^61734913 is an apocalyptic number.

It is an amenable number.

61734913 is a deficient number, since it is larger than the sum of its proper divisors (1).

61734913 is an equidigital number, since it uses as much as digits as its factorization.

61734913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 61734913 is about 7857.1568012863. The cubic root of 61734913 is about 395.2242768426.

The spelling of 61734913 in words is "sixty-one million, seven hundred thirty-four thousand, nine hundred thirteen".