76954021 has 16 divisors (see below), whose sum is σ = 81998208. Its totient is φ = 72072000.

The previous prime is 76954013. The next prime is 76954027. The reversal of 76954021 is 12045967.

It is a cyclic number.

It is not a de Polignac number, because 76954021 - 2³ = 76954013 is a prime.

It is a deceptive number, since it divides R_76954020.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76954027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364606 + ... + 364816.

It is an arithmetic number, because the mean of its divisors is an integer number (5124888).

Almost surely, 2^76954021 is an apocalyptic number.

It is an amenable number.

76954021 is a deficient number, since it is larger than the sum of its proper divisors (5044187).

76954021 is a wasteful number, since it uses less digits than its factorization.

76954021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 76954021 is about 8772.3440994981. The cubic root of 76954021 is about 425.3473902489.

Adding to 76954021 its reverse (12045967), we get a palindrome (88999988).

The spelling of 76954021 in words is "seventy-six million, nine hundred fifty-four thousand, twenty-one".