76453849 has 4 divisors (see below), whose sum is σ = 77501236. Its totient is φ = 75406464.

The previous prime is 76453841. The next prime is 76453907. The reversal of 76453849 is 94835467.

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 65610000 + 10843849 = 8100^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 76453849 - 2³ = 76453841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76453799 and 76453808.

It is not an unprimeable number, because it can be changed into a prime (76453841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523584 + ... + 523729.

It is an arithmetic number, because the mean of its divisors is an integer number (19375309).

Almost surely, 2^76453849 is an apocalyptic number.

It is an amenable number.

76453849 is a deficient number, since it is larger than the sum of its proper divisors (1047387).

76453849 is a wasteful number, since it uses less digits than its factorization.

76453849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047386.

The product of its digits is 725760, while the sum is 46.

The square root of 76453849 is about 8743.7891671746. The cubic root of 76453849 is about 424.4238541409.

The spelling of 76453849 in words is "seventy-six million, four hundred fifty-three thousand, eight hundred forty-nine".