74729713 has 2 divisors, whose sum is σ = 74729714. Its totient is φ = 74729712.

The previous prime is 74729621. The next prime is 74729719. The reversal of 74729713 is 31792747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 24433249 = 7092^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 74729713 - 2²¹ = 72632561 is a prime.

It is equal to p_4379386 and since 74729713 and 4379386 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 (74729719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37364856 + 37364857.

It is an arithmetic number, because the mean of its divisors is an integer number (37364857).

Almost surely, 2^74729713 is an apocalyptic number.

It is an amenable number.

74729713 is a deficient number, since it is larger than the sum of its proper divisors (1).

74729713 is an equidigital number, since it uses as much as digits as its factorization.

74729713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 74729713 is about 8644.6349257791. The cubic root of 74729713 is about 421.2091253445.

The spelling of 74729713 in words is "seventy-four million, seven hundred twenty-nine thousand, seven hundred thirteen".