76209378 has 16 divisors (see below), whose sum is σ = 174192960. Its totient is φ = 21774096.

The previous prime is 76209349. The next prime is 76209383. The reversal of 76209378 is 87390267.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1814509 = 76209378 / (7 + 6 + 2 + 0 + 9 + 3 + 7 + 8).

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 7 ways as a sum of consecutive naturals, for example, 907213 + ... + 907296.

It is an arithmetic number, because the mean of its divisors is an integer number (10887060).

Almost surely, 2^76209378 is an apocalyptic number.

76209378 is an abundant number, since it is smaller than the sum of its proper divisors (97983582).

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

76209378 is a wasteful number, since it uses less digits than its factorization.

76209378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814521.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 76209378 is about 8729.7982794564. The cubic root of 76209378 is about 423.9709878393.

The spelling of 76209378 in words is "seventy-six million, two hundred nine thousand, three hundred seventy-eight".