77297241 has 16 divisors (see below), whose sum is σ = 118870400. Its totient is φ = 43763328.

The previous prime is 77297197. The next prime is 77297243. The reversal of 77297241 is 14279277.

It is not a de Polignac number, because 77297241 - 2⁹ = 77296729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77297241.

It is not an unprimeable number, because it can be changed into a prime (77297243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14596 + ... + 19173.

It is an arithmetic number, because the mean of its divisors is an integer number (7429400).

Almost surely, 2^77297241 is an apocalyptic number.

It is an amenable number.

77297241 is a deficient number, since it is larger than the sum of its proper divisors (41573159).

77297241 is a wasteful number, since it uses less digits than its factorization.

77297241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33888.

The product of its digits is 49392, while the sum is 39.

The square root of 77297241 is about 8791.8849514766. The cubic root of 77297241 is about 425.9788115715.

The spelling of 77297241 in words is "seventy-seven million, two hundred ninety-seven thousand, two hundred forty-one".