75406001 has 16 divisors (see below), whose sum is σ = 84637440. Its totient is φ = 66593280.

The previous prime is 75405997. The next prime is 75406049. The reversal of 75406001 is 10060457.

It is a cyclic number.

It is not a de Polignac number, because 75406001 - 2² = 75405997 is a prime.

It is a super-4 number, since 4×75406001⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75406301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80705 + ... + 81633.

It is an arithmetic number, because the mean of its divisors is an integer number (5289840).

Almost surely, 2^75406001 is an apocalyptic number.

It is an amenable number.

75406001 is a deficient number, since it is larger than the sum of its proper divisors (9231439).

75406001 is a wasteful number, since it uses less digits than its factorization.

75406001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75406001 is about 8683.6628792233. The cubic root of 75406001 is about 422.4759292100.

Adding to 75406001 its reverse (10060457), we get a palindrome (85466458).

The spelling of 75406001 in words is "seventy-five million, four hundred six thousand, one".