77273043 has 16 divisors (see below), whose sum is σ = 105557760. Its totient is φ = 50266656.

The previous prime is 77273011. The next prime is 77273059. The reversal of 77273043 is 34037277.

It is not a de Polignac number, because 77273043 - 2⁵ = 77273011 is a prime.

It is a super-2 number, since 2×77273043² = 11942246348959698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77272995 and 77273013.

It is not an unprimeable number, because it can be changed into a prime (77273243) 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, 20146 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2^77273043 is an apocalyptic number.

77273043 is a deficient number, since it is larger than the sum of its proper divisors (28284717).

77273043 is a wasteful number, since it uses less digits than its factorization.

77273043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 77273043 is about 8790.5086883525. The cubic root of 77273043 is about 425.9343558619.

The spelling of 77273043 in words is "seventy-seven million, two hundred seventy-three thousand, forty-three".