75393690 has 16 divisors (see below), whose sum is σ = 180944928. Its totient is φ = 20104976.

The previous prime is 75393683. The next prime is 75393709. The reversal of 75393690 is 9639357.

It is a super-2 number, since 2×75393690² = 11368416983632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256532 + ... + 1256591.

It is an arithmetic number, because the mean of its divisors is an integer number (11309058).

Almost surely, 2^75393690 is an apocalyptic number.

75393690 is an abundant number, since it is smaller than the sum of its proper divisors (105551238).

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

75393690 is a wasteful number, since it uses less digits than its factorization.

75393690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513133.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 75393690 is about 8682.9539904344. The cubic root of 75393690 is about 422.4529364147.

The spelling of 75393690 in words is "seventy-five million, three hundred ninety-three thousand, six hundred ninety".