76667620 has 24 divisors (see below), whose sum is σ = 170473464. Its totient is φ = 28862976.

The previous prime is 76667587. The next prime is 76667639. The reversal of 76667620 is 2676667.

It can be written as a sum of positive squares in 4 ways, for example, as 37429924 + 39237696 = 6118^2 + 6264^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112407 + ... + 113086.

It is an arithmetic number, because the mean of its divisors is an integer number (7103061).

Almost surely, 2^76667620 is an apocalyptic number.

It is an amenable number.

76667620 is an abundant number, since it is smaller than the sum of its proper divisors (93805844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76667620 is a wasteful number, since it uses less digits than its factorization.

76667620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225519 (or 225517 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 76667620 is about 8756.0047967095. The cubic root of 76667620 is about 424.8190602324.

It can be divided in two parts, 766 and 67620, that added together give a palindrome (68386).

The spelling of 76667620 in words is "seventy-six million, six hundred sixty-seven thousand, six hundred twenty".