76723153 has 4 divisors (see below), whose sum is σ = 82624948. Its totient is φ = 70821360.

The previous prime is 76723123. The next prime is 76723181. The reversal of 76723153 is 35132767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 36869184 = 6313^2 + 6072^2 .

It is a cyclic number.

It is not a de Polignac number, because 76723153 - 2¹³ = 76714961 is a prime.

It is a super-2 number, since 2×76723153² = 11772884412522818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76723103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950878 + ... + 2950903.

It is an arithmetic number, because the mean of its divisors is an integer number (20656237).

Almost surely, 2^76723153 is an apocalyptic number.

It is an amenable number.

76723153 is a deficient number, since it is larger than the sum of its proper divisors (5901795).

76723153 is a wasteful number, since it uses less digits than its factorization.

76723153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901794.

The product of its digits is 26460, while the sum is 34.

The square root of 76723153 is about 8759.1753607289. The cubic root of 76723153 is about 424.9216058404.

The spelling of 76723153 in words is "seventy-six million, seven hundred twenty-three thousand, one hundred fifty-three".