75221514 has 32 divisors (see below), whose sum is σ = 167495040. Its totient is φ = 25023456.

The previous prime is 75221507. The next prime is 75221537. The reversal of 75221514 is 41512257.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 33862 + ... + 36014.

It is an arithmetic number, because the mean of its divisors is an integer number (5234220).

Almost surely, 2^75221514 is an apocalyptic number.

75221514 is an abundant number, since it is smaller than the sum of its proper divisors (92273526).

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

75221514 is a wasteful number, since it uses less digits than its factorization.

75221514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2805 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 75221514 is about 8673.0337252890. The cubic root of 75221514 is about 422.1311071112.

The spelling of 75221514 in words is "seventy-five million, two hundred twenty-one thousand, five hundred fourteen".