75489264 has 30 divisors (see below), whose sum is σ = 211265496. Its totient is φ = 25163040.

The previous prime is 75489263. The next prime is 75489283. The reversal of 75489264 is 46298457.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75489263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261972 + ... + 262259.

Almost surely, 2^75489264 is an apocalyptic number.

It is an amenable number.

75489264 is an abundant number, since it is smaller than the sum of its proper divisors (135776232).

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

75489264 is a wasteful number, since it uses less digits than its factorization.

75489264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524245 (or 524236 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 75489264 is about 8688.4557891492. The cubic root of 75489264 is about 422.6313707463.

The spelling of 75489264 in words is "seventy-five million, four hundred eighty-nine thousand, two hundred sixty-four".