76673477 has 4 divisors (see below), whose sum is σ = 79317420. Its totient is φ = 74029536.

The previous prime is 76673459. The next prime is 76673501. The reversal of 76673477 is 77437667.

It is a happy number.

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 58277956 + 18395521 = 7634^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 76673477 - 2⁶ = 76673413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76673437) 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, 1321928 + ... + 1321985.

It is an arithmetic number, because the mean of its divisors is an integer number (19829355).

Almost surely, 2^76673477 is an apocalyptic number.

It is an amenable number.

76673477 is a deficient number, since it is larger than the sum of its proper divisors (2643943).

76673477 is a wasteful number, since it uses less digits than its factorization.

76673477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643942.

The product of its digits is 1037232, while the sum is 47.

The square root of 76673477 is about 8756.3392465116. The cubic root of 76673477 is about 424.8298779322.

The spelling of 76673477 in words is "seventy-six million, six hundred seventy-three thousand, four hundred seventy-seven".