76989225 has 24 divisors (see below), whose sum is σ = 127541440. Its totient is φ = 40979520.

The previous prime is 76989217. The next prime is 76989247. The reversal of 76989225 is 52298967.

It is not a de Polignac number, because 76989225 - 2³ = 76989217 is a prime.

It is a super-2 number, since 2×76989225² = 11854681532201250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68367 + ... + 69483.

Almost surely, 2^76989225 is an apocalyptic number.

76989225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

76989225 is a deficient number, since it is larger than the sum of its proper divisors (50552215).

76989225 is a wasteful number, since it uses less digits than its factorization.

76989225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2044 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 76989225 is about 8774.3504033062. The cubic root of 76989225 is about 425.4122412969.

The spelling of 76989225 in words is "seventy-six million, nine hundred eighty-nine thousand, two hundred twenty-five".