75241380 has 24 divisors (see below), whose sum is σ = 210676032. Its totient is φ = 20064352.

The previous prime is 75241379. The next prime is 75241391. The reversal of 75241380 is 8314257.

It is a super-2 number, since 2×75241380² = 11322530528608800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 626952 + ... + 627071.

It is an arithmetic number, because the mean of its divisors is an integer number (8778168).

Almost surely, 2^75241380 is an apocalyptic number.

It is an amenable number.

75241380 is an abundant number, since it is smaller than the sum of its proper divisors (135434652).

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

75241380 is a wasteful number, since it uses less digits than its factorization.

75241380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254035 (or 1254033 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 75241380 is about 8674.1789236792. The cubic root of 75241380 is about 422.1682654452.

The spelling of 75241380 in words is "seventy-five million, two hundred forty-one thousand, three hundred eighty".