75630798 has 12 divisors (see below), whose sum is σ = 163866768. Its totient is φ = 25210260.

The previous prime is 75630791. The next prime is 75630799. The reversal of 75630798 is 89703657.

It is a happy number.

75630798 is a `hidden beast` number, since 7 + 5 + 630 + 7 + 9 + 8 = 666.

It is a super-2 number, since 2×75630798² = 11440035212233608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75630791) 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, 2100838 + ... + 2100873.

It is an arithmetic number, because the mean of its divisors is an integer number (13655564).

Almost surely, 2^75630798 is an apocalyptic number.

75630798 is an abundant number, since it is smaller than the sum of its proper divisors (88235970).

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

75630798 is a wasteful number, since it uses less digits than its factorization.

75630798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201719 (or 4201716 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 75630798 is about 8696.5969206351. The cubic root of 75630798 is about 422.8953348339.

The spelling of 75630798 in words is "seventy-five million, six hundred thirty thousand, seven hundred ninety-eight".