75630726 has 32 divisors (see below), whose sum is σ = 168365280. Its totient is φ = 25165728.

The previous prime is 75630721. The next prime is 75630727. The reversal of 75630726 is 62703657.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75630721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46560 + ... + 48156.

It is an arithmetic number, because the mean of its divisors is an integer number (5261415).

Almost surely, 2^75630726 is an apocalyptic number.

75630726 is an abundant number, since it is smaller than the sum of its proper divisors (92734554).

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

75630726 is a wasteful number, since it uses less digits than its factorization.

75630726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 75630726 is about 8696.5927810839. The cubic root of 75630726 is about 422.8952006361.

The spelling of 75630726 in words is "seventy-five million, six hundred thirty thousand, seven hundred twenty-six".