75140930 has 16 divisors (see below), whose sum is σ = 135368064. Its totient is φ = 30030960.

The previous prime is 75140911. The next prime is 75140939. The reversal of 75140930 is 3904157.

It is a super-2 number, since 2×75140930² = 11292318722529800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75140893 and 75140902.

It is not an unprimeable number, because it can be changed into a prime (75140939) 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, 13319 + ... + 18101.

It is an arithmetic number, because the mean of its divisors is an integer number (8460504).

Almost surely, 2^75140930 is an apocalyptic number.

75140930 is a deficient number, since it is larger than the sum of its proper divisors (60227134).

75140930 is a wasteful number, since it uses less digits than its factorization.

75140930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 75140930 is about 8668.3868164728. The cubic root of 75140930 is about 421.9803117429.

The spelling of 75140930 in words is "seventy-five million, one hundred forty thousand, nine hundred thirty".