76173420 has 48 divisors (see below), whose sum is σ = 213665760. Its totient is φ = 20276736.

The previous prime is 76173397. The next prime is 76173443. The reversal of 76173420 is 2437167.

It is an interprime number because it is at equal distance from previous prime (76173397) and next prime (76173443).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61366 + ... + 62594.

It is an arithmetic number, because the mean of its divisors is an integer number (4451370).

Almost surely, 2^76173420 is an apocalyptic number.

It is an amenable number.

76173420 is an abundant number, since it is smaller than the sum of its proper divisors (137492340).

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

76173420 is a wasteful number, since it uses less digits than its factorization.

76173420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 76173420 is about 8727.7385387052. The cubic root of 76173420 is about 423.9042963658.

The spelling of 76173420 in words is "seventy-six million, one hundred seventy-three thousand, four hundred twenty".