75780633 has 4 divisors (see below), whose sum is σ = 101040848. Its totient is φ = 50520420.

The previous prime is 75780613. The next prime is 75780637. The reversal of 75780633 is 33608757.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75780633 - 2¹² = 75776537 is a prime.

It is a super-3 number, since 3×75780633³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75780591 and 75780600.

It is not an unprimeable number, because it can be changed into a prime (75780637) 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, 12630103 + ... + 12630108.

It is an arithmetic number, because the mean of its divisors is an integer number (25260212).

Almost surely, 2^75780633 is an apocalyptic number.

It is an amenable number.

75780633 is a deficient number, since it is larger than the sum of its proper divisors (25260215).

75780633 is a wasteful number, since it uses less digits than its factorization.

75780633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25260214.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 75780633 is about 8705.2072347532. The cubic root of 75780633 is about 423.1744218618.

The spelling of 75780633 in words is "seventy-five million, seven hundred eighty thousand, six hundred thirty-three".