75152280 has 96 divisors (see below), whose sum is σ = 262286640. Its totient is φ = 17176320.

The previous prime is 75152263. The next prime is 75152299. The reversal of 75152280 is 8225157.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511 + ... + 12270.

Almost surely, 2^75152280 is an apocalyptic number.

75152280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75152280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131143320).

75152280 is an abundant number, since it is smaller than the sum of its proper divisors (187134360).

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

75152280 is a wasteful number, since it uses less digits than its factorization.

75152280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12809 (or 12798 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 75152280 is about 8669.0414695051. The cubic root of 75152280 is about 422.0015573118.

The spelling of 75152280 in words is "seventy-five million, one hundred fifty-two thousand, two hundred eighty".