75697630 has 16 divisors (see below), whose sum is σ = 139425264. Its totient is φ = 29574720.

The previous prime is 75697619. The next prime is 75697631. The reversal of 75697630 is 3679657.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75697631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87591 + ... + 88450.

It is an arithmetic number, because the mean of its divisors is an integer number (8714079).

Almost surely, 2^75697630 is an apocalyptic number.

75697630 is a deficient number, since it is larger than the sum of its proper divisors (63727634).

75697630 is a wasteful number, since it uses less digits than its factorization.

75697630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176091.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 75697630 is about 8700.4384946967. The cubic root of 75697630 is about 423.0198635572.

The spelling of 75697630 in words is "seventy-five million, six hundred ninety-seven thousand, six hundred thirty".