75616973 has 4 divisors (see below), whose sum is σ = 76161120. Its totient is φ = 75072828.

The previous prime is 75616861. The next prime is 75616991. The reversal of 75616973 is 37961657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75616973 - 2²⁰ = 74568397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75616993) 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, 271865 + ... + 272142.

It is an arithmetic number, because the mean of its divisors is an integer number (19040280).

Almost surely, 2^75616973 is an apocalyptic number.

It is an amenable number.

75616973 is a deficient number, since it is larger than the sum of its proper divisors (544147).

75616973 is a wasteful number, since it uses less digits than its factorization.

75616973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544146.

The product of its digits is 238140, while the sum is 44.

The square root of 75616973 is about 8695.8020331652. The cubic root of 75616973 is about 422.8695654189.

The spelling of 75616973 in words is "seventy-five million, six hundred sixteen thousand, nine hundred seventy-three".