76221704 has 24 divisors (see below), whose sum is σ = 154757610. Its totient is φ = 35178624.

The previous prime is 76221703. The next prime is 76221707. The reversal of 76221704 is 40712267.

It can be written as a sum of positive squares in 3 ways, for example, as 15225604 + 60996100 = 3902^2 + 7810^2 .

It is not an unprimeable number, because it can be changed into a prime (76221703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26837 + ... + 29540.

Almost surely, 2^76221704 is an apocalyptic number.

It is an amenable number.

76221704 is an abundant number, since it is smaller than the sum of its proper divisors (78535906).

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

76221704 is a wasteful number, since it uses less digits than its factorization.

76221704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56409 (or 56392 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 76221704 is about 8730.5042236975. The cubic root of 76221704 is about 423.9938441019.

The spelling of 76221704 in words is "seventy-six million, two hundred twenty-one thousand, seven hundred four".