75090213481 has 16 divisors (see below), whose sum is σ = 81838796800. Its totient is φ = 68635155600.

The previous prime is 75090213467. The next prime is 75090213551. The reversal of 75090213481 is 18431209057.

It is a cyclic number.

It is not a de Polignac number, because 75090213481 - 2⁷ = 75090213353 is a prime.

It is a super-2 number, since 2×75090213481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75090213181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380 + ... + 387538.

It is an arithmetic number, because the mean of its divisors is an integer number (5114924800).

Almost surely, 2^75090213481 is an apocalyptic number.

It is an amenable number.

75090213481 is a deficient number, since it is larger than the sum of its proper divisors (6748583319).

75090213481 is a wasteful number, since it uses less digits than its factorization.

75090213481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385540.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 75090213481 in words is "seventy-five billion, ninety million, two hundred thirteen thousand, four hundred eighty-one".