76199920 has 40 divisors (see below), whose sum is σ = 184872096. Its totient is φ = 29154048.

The previous prime is 76199917. The next prime is 76199927. The reversal of 76199920 is 2999167.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76199927) 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, 18867 + ... + 22546.

Almost surely, 2^76199920 is an apocalyptic number.

It is an amenable number.

76199920 is an abundant number, since it is smaller than the sum of its proper divisors (108672176).

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

76199920 is a wasteful number, since it uses less digits than its factorization.

76199920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41449 (or 41443 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 76199920 is about 8729.2565548276. The cubic root of 76199920 is about 423.9534480753.

The spelling of 76199920 in words is "seventy-six million, one hundred ninety-nine thousand, nine hundred twenty".