76172380 has 24 divisors (see below), whose sum is σ = 160191360. Its totient is φ = 30425280.

The previous prime is 76172351. The next prime is 76172423. The reversal of 76172380 is 8327167.

It is a congruent number.

It is an unprimeable number.

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, 14101 + ... + 18739.

It is an arithmetic number, because the mean of its divisors is an integer number (6674640).

Almost surely, 2^76172380 is an apocalyptic number.

It is an amenable number.

76172380 is an abundant number, since it is smaller than the sum of its proper divisors (84018980).

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

76172380 is a wasteful number, since it uses less digits than its factorization.

76172380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 76172380 is about 8727.6789583485. The cubic root of 76172380 is about 423.9023671606.

The spelling of 76172380 in words is "seventy-six million, one hundred seventy-two thousand, three hundred eighty".