76406225 has 12 divisors (see below), whose sum is σ = 108278784. Its totient is φ = 52392720.

The previous prime is 76406189. The next prime is 76406243. The reversal of 76406225 is 52260467.

It is not a de Polignac number, because 76406225 - 2²⁰ = 75357649 is a prime.

It is a super-2 number, since 2×76406225² = 11675822437501250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76406191 and 76406200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218129 + ... + 218478.

It is an arithmetic number, because the mean of its divisors is an integer number (9023232).

Almost surely, 2^76406225 is an apocalyptic number.

It is an amenable number.

76406225 is a deficient number, since it is larger than the sum of its proper divisors (31872559).

76406225 is a wasteful number, since it uses less digits than its factorization.

76406225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436624 (or 436619 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 76406225 is about 8741.0654384920. The cubic root of 76406225 is about 424.3357096360.

The spelling of 76406225 in words is "seventy-six million, four hundred six thousand, two hundred twenty-five".