76551406 has 16 divisors (see below), whose sum is σ = 120227328. Its totient is φ = 36487000.

The previous prime is 76551341. The next prime is 76551407. The reversal of 76551406 is 60415567.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76551407) 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 in 7 ways as a sum of consecutive naturals, for example, 11631 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (7514208).

Almost surely, 2^76551406 is an apocalyptic number.

76551406 is a deficient number, since it is larger than the sum of its proper divisors (43675922).

76551406 is a wasteful number, since it uses less digits than its factorization.

76551406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 76551406 is about 8749.3660341764. The cubic root of 76551406 is about 424.6043025180.

The spelling of 76551406 in words is "seventy-six million, five hundred fifty-one thousand, four hundred six".