76625221 has 8 divisors (see below), whose sum is σ = 79365600. Its totient is φ = 73891440.

The previous prime is 76625209. The next prime is 76625231. The reversal of 76625221 is 12252667.

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 76625221 - 2⁷ = 76625093 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 (76625201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41406 + ... + 43216.

It is an arithmetic number, because the mean of its divisors is an integer number (9920700).

Almost surely, 2^76625221 is an apocalyptic number.

It is an amenable number.

76625221 is a deficient number, since it is larger than the sum of its proper divisors (2740379).

76625221 is a wasteful number, since it uses less digits than its factorization.

76625221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299.

The product of its digits is 10080, while the sum is 31.

The square root of 76625221 is about 8753.5833234168. The cubic root of 76625221 is about 424.7407341425.

Adding to 76625221 its reverse (12252667), we get a palindrome (88877888).

The spelling of 76625221 in words is "seventy-six million, six hundred twenty-five thousand, two hundred twenty-one".