75146733 has 6 divisors (see below), whose sum is σ = 108545294. Its totient is φ = 50097816.

The previous prime is 75146723. The next prime is 75146737. The reversal of 75146733 is 33764157.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 6140484 = 8307^2 + 2478^2 .

It is not a de Polignac number, because 75146733 - 2¹³ = 75138541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75146737) 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, 4174810 + ... + 4174827.

Almost surely, 2^75146733 is an apocalyptic number.

It is an amenable number.

75146733 is a deficient number, since it is larger than the sum of its proper divisors (33398561).

75146733 is a wasteful number, since it uses less digits than its factorization.

75146733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349643 (or 8349640 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 75146733 is about 8668.7215320369. The cubic root of 75146733 is about 421.9911743922.

The spelling of 75146733 in words is "seventy-five million, one hundred forty-six thousand, seven hundred thirty-three".