77040273 has 16 divisors (see below), whose sum is σ = 103864320. Its totient is φ = 50792016.

The previous prime is 77040251. The next prime is 77040289. The reversal of 77040273 is 37204077.

It is a happy number.

It is not a de Polignac number, because 77040273 - 2⁹ = 77039761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77040273.

It is not an unprimeable number, because it can be changed into a prime (77040203) 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, 183658 + ... + 184076.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 2^77040273 is an apocalyptic number.

It is an amenable number.

77040273 is a deficient number, since it is larger than the sum of its proper divisors (26824047).

77040273 is a wasteful number, since it uses less digits than its factorization.

77040273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 77040273 is about 8777.2588545627. The cubic root of 77040273 is about 425.5062442613.

The spelling of 77040273 in words is "seventy-seven million, forty thousand, two hundred seventy-three".