75775480 has 32 divisors (see below), whose sum is σ = 185995440. Its totient is φ = 27554560.

The previous prime is 75775471. The next prime is 75775489. The reversal of 75775480 is 8457757.

It is an interprime number because it is at equal distance from previous prime (75775471) and next prime (75775489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75775489) 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, 85669 + ... + 86548.

Almost surely, 2^75775480 is an apocalyptic number.

It is an amenable number.

75775480 is an abundant number, since it is smaller than the sum of its proper divisors (110219960).

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

75775480 is a wasteful number, since it uses less digits than its factorization.

75775480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172239 (or 172235 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 75775480 is about 8704.9112574454. The cubic root of 75775480 is about 423.1648298454.

The spelling of 75775480 in words is "seventy-five million, seven hundred seventy-five thousand, four hundred eighty".