75081030 has 16 divisors (see below), whose sum is σ = 180194544. Its totient is φ = 20021600.

The previous prime is 75080983. The next prime is 75081031. The reversal of 75081030 is 3018057.

It is a super-2 number, since 2×75081030² = 11274322131721800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75081031) 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, 1251321 + ... + 1251380.

It is an arithmetic number, because the mean of its divisors is an integer number (11262159).

Almost surely, 2^75081030 is an apocalyptic number.

75081030 is an abundant number, since it is smaller than the sum of its proper divisors (105113514).

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

75081030 is a wasteful number, since it uses less digits than its factorization.

75081030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502711.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 75081030 is about 8664.9310441572. The cubic root of 75081030 is about 421.8681520973.

Adding to 75081030 its reverse (3018057), we get a palindrome (78099087).

The spelling of 75081030 in words is "seventy-five million, eighty-one thousand, thirty".