75772130 has 32 divisors (see below), whose sum is σ = 159062400. Its totient is φ = 25977840.

The previous prime is 75772127. The next prime is 75772159. The reversal of 75772130 is 3127757.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7616 + ... + 14475.

It is an arithmetic number, because the mean of its divisors is an integer number (4970700).

Almost surely, 2^75772130 is an apocalyptic number.

75772130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75772130 is an abundant number, since it is smaller than the sum of its proper divisors (83290270).

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

75772130 is a wasteful number, since it uses less digits than its factorization.

75772130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119 (or 22105 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 75772130 is about 8704.7188352066. The cubic root of 75772130 is about 423.1585937777.

Adding to 75772130 its reverse (3127757), we get a palindrome (78899887).

The spelling of 75772130 in words is "seventy-five million, seven hundred seventy-two thousand, one hundred thirty".