75491516 has 12 divisors (see below), whose sum is σ = 132399960. Its totient is φ = 37662960.

The previous prime is 75491489. The next prime is 75491519. The reversal of 75491516 is 61519457.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75491516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75491519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18626 + ... + 22313.

It is an arithmetic number, because the mean of its divisors is an integer number (11033330).

Almost surely, 2^75491516 is an apocalyptic number.

It is an amenable number.

75491516 is a deficient number, since it is larger than the sum of its proper divisors (56908444).

75491516 is a wasteful number, since it uses less digits than its factorization.

75491516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41404 (or 41402 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 75491516 is about 8688.5853854353. The cubic root of 75491516 is about 422.6355733589.

The spelling of 75491516 in words is "seventy-five million, four hundred ninety-one thousand, five hundred sixteen".