76489420 has 24 divisors (see below), whose sum is σ = 183574944. Its totient is φ = 26224896.

The previous prime is 76489417. The next prime is 76489423. The reversal of 76489420 is 2498467.

It is an interprime number because it is at equal distance from previous prime (76489417) and next prime (76489423).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76489423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273037 + ... + 273316.

It is an arithmetic number, because the mean of its divisors is an integer number (7648956).

Almost surely, 2^76489420 is an apocalyptic number.

76489420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76489420 is an abundant number, since it is smaller than the sum of its proper divisors (107085524).

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

76489420 is a wasteful number, since it uses less digits than its factorization.

76489420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546369 (or 546367 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 76489420 is about 8745.8230030112. The cubic root of 76489420 is about 424.4896665682.

The spelling of 76489420 in words is "seventy-six million, four hundred eighty-nine thousand, four hundred twenty".