76211420 has 72 divisors (see below), whose sum is σ = 173837664. Its totient is φ = 28010752.

The previous prime is 76211419. The next prime is 76211441. The reversal of 76211420 is 2411267.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 386762 + ... + 386958.

It is an arithmetic number, because the mean of its divisors is an integer number (2414412).

Almost surely, 2^76211420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76211420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86918832).

76211420 is an abundant number, since it is smaller than the sum of its proper divisors (97626244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76211420 is a wasteful number, since it uses less digits than its factorization.

76211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 76211420 is about 8729.9152344109. The cubic root of 76211420 is about 423.9747745168.

Adding to 76211420 its reverse (2411267), we get a palindrome (78622687).

The spelling of 76211420 in words is "seventy-six million, two hundred eleven thousand, four hundred twenty".