75406146 has 8 divisors (see below), whose sum is σ = 150812304. Its totient is φ = 25135380.

The previous prime is 75406141. The next prime is 75406147. The reversal of 75406146 is 64160457.

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

75406146 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75406141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6283840 + ... + 6283851.

It is an arithmetic number, because the mean of its divisors is an integer number (18851538).

Almost surely, 2^75406146 is an apocalyptic number.

75406146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75406146 is a wasteful number, since it uses less digits than its factorization.

75406146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567696.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 75406146 is about 8683.6712282306. The cubic root of 75406146 is about 422.4762000062.

The spelling of 75406146 in words is "seventy-five million, four hundred six thousand, one hundred forty-six".