75381130 has 32 divisors (see below), whose sum is σ = 149402880. Its totient is φ = 27155520.

The previous prime is 75381127. The next prime is 75381133. The reversal of 75381130 is 3118357.

It is an interprime number because it is at equal distance from previous prime (75381127) and next prime (75381133).

It is not an unprimeable number, because it can be changed into a prime (75381133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8847 + ... + 15133.

It is an arithmetic number, because the mean of its divisors is an integer number (4668840).

Almost surely, 2^75381130 is an apocalyptic number.

75381130 is a deficient number, since it is larger than the sum of its proper divisors (74021750).

75381130 is a wasteful number, since it uses less digits than its factorization.

75381130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 75381130 is about 8682.2307041451. The cubic root of 75381130 is about 422.4294759918.

Adding to 75381130 its reverse (3118357), we get a palindrome (78499487).

It can be divided in two parts, 7538 and 1130, that added together give a palindrome (8668).

The spelling of 75381130 in words is "seventy-five million, three hundred eighty-one thousand, one hundred thirty".