76281472 has 16 divisors (see below), whose sum is σ = 151967250. Its totient is φ = 38140672.

The previous prime is 76281451. The next prime is 76281473. The reversal of 76281472 is 27418267.

It can be written as a sum of positive squares in only one way, i.e., 66194496 + 10086976 = 8136^2 + 3176^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (76281473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297847 + ... + 298102.

Almost surely, 2^76281472 is an apocalyptic number.

It is an amenable number.

76281472 is a deficient number, since it is larger than the sum of its proper divisors (75685778).

76281472 is an equidigital number, since it uses as much as digits as its factorization.

76281472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595963 (or 595951 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 76281472 is about 8733.9264938514. The cubic root of 76281472 is about 424.1046377560.

The spelling of 76281472 in words is "seventy-six million, two hundred eighty-one thousand, four hundred seventy-two".