76297770 has 48 divisors (see below), whose sum is σ = 198911232. Its totient is φ = 20291040.

The previous prime is 76297769. The next prime is 76297777. The reversal of 76297770 is 7779267.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (76297777) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40755 + ... + 42585.

It is an arithmetic number, because the mean of its divisors is an integer number (4143984).

Almost surely, 2^76297770 is an apocalyptic number.

76297770 is an abundant number, since it is smaller than the sum of its proper divisors (122613462).

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

76297770 is a wasteful number, since it uses less digits than its factorization.

76297770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 76297770 is about 8734.8594722525. The cubic root of 76297770 is about 424.1348397827.

The spelling of 76297770 in words is "seventy-six million, two hundred ninety-seven thousand, seven hundred seventy".