76276645 has 8 divisors (see below), whose sum is σ = 91585656. Its totient is φ = 60985536.

The previous prime is 76276643. The next prime is 76276661. The reversal of 76276645 is 54667267.

It can be written as a sum of positive squares in 4 ways, for example, as 777924 + 75498721 = 882^2 + 8689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76276645 - 2¹ = 76276643 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 (76276643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8139 + ... + 14791.

It is an arithmetic number, because the mean of its divisors is an integer number (11448207).

Almost surely, 2^76276645 is an apocalyptic number.

It is an amenable number.

76276645 is a deficient number, since it is larger than the sum of its proper divisors (15309011).

76276645 is a wasteful number, since it uses less digits than its factorization.

76276645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951.

The product of its digits is 423360, while the sum is 43.

The square root of 76276645 is about 8733.6501532864. The cubic root of 76276645 is about 424.0956919564.

The spelling of 76276645 in words is "seventy-six million, two hundred seventy-six thousand, six hundred forty-five".