76225491 has 12 divisors (see below), whose sum is σ = 110199960. Its totient is φ = 50772480.

The previous prime is 76225489. The next prime is 76225507. The reversal of 76225491 is 19452267.

It is not a de Polignac number, because 76225491 - 2¹ = 76225489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76225411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9676 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (9183330).

Almost surely, 2^76225491 is an apocalyptic number.

76225491 is a deficient number, since it is larger than the sum of its proper divisors (33974469).

76225491 is a wasteful number, since it uses less digits than its factorization.

76225491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426 (or 7423 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 76225491 is about 8730.7211042388. The cubic root of 76225491 is about 424.0008658906. Note that the first 3 decimals are identical.

The spelling of 76225491 in words is "seventy-six million, two hundred twenty-five thousand, four hundred ninety-one".