75997001 has 8 divisors (see below), whose sum is σ = 78188040. Its totient is φ = 73813248.

The previous prime is 75996989. The next prime is 75997043. The reversal of 75997001 is 10079957.

It can be written as a sum of positive squares in 4 ways, for example, as 2808976 + 73188025 = 1676^2 + 8555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75997001 - 2¹⁰ = 75995977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75997091) 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, 24785 + ... + 27681.

It is an arithmetic number, because the mean of its divisors is an integer number (9773505).

Almost surely, 2^75997001 is an apocalyptic number.

It is an amenable number.

75997001 is a deficient number, since it is larger than the sum of its proper divisors (2191039).

75997001 is a wasteful number, since it uses less digits than its factorization.

75997001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 75997001 is about 8717.6258809380. The cubic root of 75997001 is about 423.5767867579.

The spelling of 75997001 in words is "seventy-five million, nine hundred ninety-seven thousand, one".