76803720 has 64 divisors (see below), whose sum is σ = 263329920. Its totient is φ = 17554944.

The previous prime is 76803703. The next prime is 76803743. The reversal of 76803720 is 2730867.

It is a super-2 number, since 2×76803720² = 11797622811676800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 44877 + ... + 46556.

It is an arithmetic number, because the mean of its divisors is an integer number (4114530).

Almost surely, 2^76803720 is an apocalyptic number.

76803720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76803720 is an abundant number, since it is smaller than the sum of its proper divisors (186526200).

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

76803720 is a wasteful number, since it uses less digits than its factorization.

76803720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91454 (or 91450 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 76803720 is about 8763.7731600036. The cubic root of 76803720 is about 425.0702905655.

The spelling of 76803720 in words is "seventy-six million, eight hundred three thousand, seven hundred twenty".