75630669 has 16 divisors (see below), whose sum is σ = 104692224. Its totient is φ = 48513600.

The previous prime is 75630619. The next prime is 75630677. The reversal of 75630669 is 96603657.

It is not a de Polignac number, because 75630669 - 2¹⁵ = 75597901 is a prime.

It is a super-2 number, since 2×75630669² = 11439996186775122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75630669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75630619) 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, 14587 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (6543264).

Almost surely, 2^75630669 is an apocalyptic number.

It is an amenable number.

75630669 is a deficient number, since it is larger than the sum of its proper divisors (29061555).

75630669 is a wasteful number, since it uses less digits than its factorization.

75630669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 75630669 is about 8696.5895039377. The cubic root of 75630669 is about 422.8950943961.

The spelling of 75630669 in words is "seventy-five million, six hundred thirty thousand, six hundred sixty-nine".