76421552 has 10 divisors (see below), whose sum is σ = 148066788. Its totient is φ = 38210768.

The previous prime is 76421531. The next prime is 76421557. The reversal of 76421552 is 25512467.

It is a super-2 number, since 2×76421552² = 11680507220177408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76421557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388158 + ... + 2388189.

Almost surely, 2^76421552 is an apocalyptic number.

It is an amenable number.

76421552 is a deficient number, since it is larger than the sum of its proper divisors (71645236).

76421552 is a wasteful number, since it uses less digits than its factorization.

76421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776355 (or 4776349 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 76421552 is about 8741.9421183167. The cubic root of 76421552 is about 424.3640814891.

The spelling of 76421552 in words is "seventy-six million, four hundred twenty-one thousand, five hundred fifty-two".