76421506 has 8 divisors (see below), whose sum is σ = 131008320. Its totient is φ = 32752068.

The previous prime is 76421497. The next prime is 76421507. The reversal of 76421506 is 60512467.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (76421507) 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, 2729326 + ... + 2729353.

It is an arithmetic number, because the mean of its divisors is an integer number (16376040).

Almost surely, 2^76421506 is an apocalyptic number.

76421506 is a deficient number, since it is larger than the sum of its proper divisors (54586814).

76421506 is a wasteful number, since it uses less digits than its factorization.

76421506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458688.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 76421506 is about 8741.9394873220. The cubic root of 76421506 is about 424.3639963441.

The spelling of 76421506 in words is "seventy-six million, four hundred twenty-one thousand, five hundred six".