75616938 has 12 divisors (see below), whose sum is σ = 163836738. Its totient is φ = 25205640.

The previous prime is 75616861. The next prime is 75616991. The reversal of 75616938 is 83961657.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48399849 + 27217089 = 6957^2 + 5217^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75616893 and 75616902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2100453 + ... + 2100488.

Almost surely, 2^75616938 is an apocalyptic number.

75616938 is an abundant number, since it is smaller than the sum of its proper divisors (88219800).

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

75616938 is a wasteful number, since it uses less digits than its factorization.

75616938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200949 (or 4200946 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 75616938 is about 8695.8000206996. The cubic root of 75616938 is about 422.8695001758.

The spelling of 75616938 in words is "seventy-five million, six hundred sixteen thousand, nine hundred thirty-eight".