75629985 has 8 divisors (see below), whose sum is σ = 121008000. Its totient is φ = 40335984.

The previous prime is 75629969. The next prime is 75629989. The reversal of 75629985 is 58992657.

It is a happy number.

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

It is not a de Polignac number, because 75629985 - 2⁴ = 75629969 is a prime.

It is a super-2 number, since 2×75629985² = 11439789262200450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75629989) 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, 2520985 + ... + 2521014.

It is an arithmetic number, because the mean of its divisors is an integer number (15126000).

Almost surely, 2^75629985 is an apocalyptic number.

It is an amenable number.

75629985 is a deficient number, since it is larger than the sum of its proper divisors (45378015).

75629985 is a wasteful number, since it uses less digits than its factorization.

75629985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042007.

The product of its digits is 1360800, while the sum is 51.

The square root of 75629985 is about 8696.5501780879. The cubic root of 75629985 is about 422.8938195115.

The spelling of 75629985 in words is "seventy-five million, six hundred twenty-nine thousand, nine hundred eighty-five".