75157280 has 48 divisors (see below), whose sum is σ = 193705344. Its totient is φ = 27329280.

The previous prime is 75157211. The next prime is 75157283. The reversal of 75157280 is 8275157.

It is a self number, because there is not a number n which added to its sum of digits gives 75157280.

It is not an unprimeable number, because it can be changed into a prime (75157283) 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, 19592 + ... + 23111.

It is an arithmetic number, because the mean of its divisors is an integer number (4035528).

Almost surely, 2^75157280 is an apocalyptic number.

It is an amenable number.

75157280 is an abundant number, since it is smaller than the sum of its proper divisors (118548064).

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

75157280 is a wasteful number, since it uses less digits than its factorization.

75157280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42729 (or 42721 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 75157280 is about 8669.3298472258. The cubic root of 75157280 is about 422.0109159145.

The spelling of 75157280 in words is "seventy-five million, one hundred fifty-seven thousand, two hundred eighty".