75097816 has 16 divisors (see below), whose sum is σ = 140937840. Its totient is φ = 37514400.

The previous prime is 75097811. The next prime is 75097817. The reversal of 75097816 is 61879057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75097811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6541 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (8808615).

Almost surely, 2^75097816 is an apocalyptic number.

It is an amenable number.

75097816 is a deficient number, since it is larger than the sum of its proper divisors (65840024).

75097816 is a wasteful number, since it uses less digits than its factorization.

75097816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634 (or 8630 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 75097816 is about 8665.8996070806. The cubic root of 75097816 is about 421.8995890268.

The spelling of 75097816 in words is "seventy-five million, ninety-seven thousand, eight hundred sixteen".