75678001 has 6 divisors (see below), whose sum is σ = 88033650. Its totient is φ = 64866816.

The previous prime is 75677993. The next prime is 75678013. The reversal of 75678001 is 10087657.

It can be written as a sum of positive squares in only one way, i.e., 39690000 + 35988001 = 6300^2 + 5999^2 .

It is not a de Polignac number, because 75678001 - 2³ = 75677993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75679001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772176 + ... + 772273.

It is an arithmetic number, because the mean of its divisors is an integer number (14672275).

Almost surely, 2^75678001 is an apocalyptic number.

It is an amenable number.

75678001 is a deficient number, since it is larger than the sum of its proper divisors (12355649).

75678001 is a wasteful number, since it uses less digits than its factorization.

75678001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544463 (or 1544456 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 75678001 is about 8699.3103749665. The cubic root of 75678001 is about 422.9832962533.

The spelling of 75678001 in words is "seventy-five million, six hundred seventy-eight thousand, one".