75680641 has 4 divisors (see below), whose sum is σ = 78121984. Its totient is φ = 73239300.

The previous prime is 75680639. The next prime is 75680681. The reversal of 75680641 is 14608657.

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 75680641 - 2¹ = 75680639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75680641.

It is not an unprimeable number, because it can be changed into a prime (75680621) 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, 1220625 + ... + 1220686.

It is an arithmetic number, because the mean of its divisors is an integer number (19530496).

Almost surely, 2^75680641 is an apocalyptic number.

It is an amenable number.

75680641 is a deficient number, since it is larger than the sum of its proper divisors (2441343).

75680641 is a wasteful number, since it uses less digits than its factorization.

75680641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441342.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 75680641 is about 8699.4621098089. The cubic root of 75680641 is about 422.9882147365.

The spelling of 75680641 in words is "seventy-five million, six hundred eighty thousand, six hundred forty-one".