76221086 has 8 divisors (see below), whose sum is σ = 116206104. Its totient is φ = 37485720.

The previous prime is 76221083. The next prime is 76221107. The reversal of 76221086 is 68012267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76221083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312260 + ... + 312503.

It is an arithmetic number, because the mean of its divisors is an integer number (14525763).

Almost surely, 2^76221086 is an apocalyptic number.

76221086 is a deficient number, since it is larger than the sum of its proper divisors (39985018).

76221086 is a wasteful number, since it uses less digits than its factorization.

76221086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624826.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 76221086 is about 8730.4688304810. The cubic root of 76221086 is about 423.9926981951.

The spelling of 76221086 in words is "seventy-six million, two hundred twenty-one thousand, eighty-six".