76410225 has 18 divisors (see below), whose sum is σ = 136859606. Its totient is φ = 40752000.

The previous prime is 76410221. The next prime is 76410293. The reversal of 76410225 is 52201467.

It can be written as a sum of positive squares in 3 ways, for example, as 2742336 + 73667889 = 1656^2 + 8583^2 .

It is not a de Polignac number, because 76410225 - 2² = 76410221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76410221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 169576 + ... + 170025.

Almost surely, 2^76410225 is an apocalyptic number.

76410225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

76410225 is a deficient number, since it is larger than the sum of its proper divisors (60449381).

76410225 is a wasteful number, since it uses less digits than its factorization.

76410225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339617 (or 339609 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 76410225 is about 8741.2942405573. The cubic root of 76410225 is about 424.3431144132.

The spelling of 76410225 in words is "seventy-six million, four hundred ten thousand, two hundred twenty-five".