75630536 has 8 divisors (see below), whose sum is σ = 141807270. Its totient is φ = 37815264.

The previous prime is 75630497. The next prime is 75630539. The reversal of 75630536 is 63503657.

It can be written as a sum of positive squares in only one way, i.e., 72760900 + 2869636 = 8530^2 + 1694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 75630496 and 75630505.

It is not an unprimeable number, because it can be changed into a prime (75630539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4726901 + ... + 4726916.

Almost surely, 2^75630536 is an apocalyptic number.

It is an amenable number.

75630536 is a deficient number, since it is larger than the sum of its proper divisors (66176734).

75630536 is a wasteful number, since it uses less digits than its factorization.

75630536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9453823 (or 9453819 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 75630536 is about 8696.5818572586. The cubic root of 75630536 is about 422.8948465024.

The spelling of 75630536 in words is "seventy-five million, six hundred thirty thousand, five hundred thirty-six".