729941077 has 4 divisors (see below), whose sum is σ = 730002496. Its totient is φ = 729879660.

The previous prime is 729941059. The next prime is 729941083. The reversal of 729941077 is 770149927.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 770149927 = 73 ⋅10549999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729941077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729941477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6543 + ... + 38764.

It is an arithmetic number, because the mean of its divisors is an integer number (182500624).

Almost surely, 2^729941077 is an apocalyptic number.

It is an amenable number.

729941077 is a deficient number, since it is larger than the sum of its proper divisors (61419).

729941077 is a wasteful number, since it uses less digits than its factorization.

729941077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61418.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 729941077 is about 27017.4217311719. The cubic root of 729941077 is about 900.3871079589.

The spelling of 729941077 in words is "seven hundred twenty-nine million, nine hundred forty-one thousand, seventy-seven".