75641697 has 12 divisors (see below), whose sum is σ = 109427344. Its totient is φ = 50350680.

The previous prime is 75641689. The next prime is 75641729. The reversal of 75641697 is 79614657.

It is a happy number.

It is not a de Polignac number, because 75641697 - 2³ = 75641689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75641197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138 + ... + 12300.

Almost surely, 2^75641697 is an apocalyptic number.

It is an amenable number.

75641697 is a deficient number, since it is larger than the sum of its proper divisors (33785647).

75641697 is a wasteful number, since it uses less digits than its factorization.

75641697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860 (or 12857 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 75641697 is about 8697.2235224812. The cubic root of 75641697 is about 422.9156480529.

It can be divided in two parts, 7564 and 1697, that added together give a cube (9261 = 21³).

The spelling of 75641697 in words is "seventy-five million, six hundred forty-one thousand, six hundred ninety-seven".