75220601 has 8 divisors (see below), whose sum is σ = 81734400. Its totient is φ = 68962320.

The previous prime is 75220589. The next prime is 75220619. The reversal of 75220601 is 10602257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75220601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75220681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63266 + ... + 64443.

It is an arithmetic number, because the mean of its divisors is an integer number (10216800).

Almost surely, 2^75220601 is an apocalyptic number.

It is an amenable number.

75220601 is a deficient number, since it is larger than the sum of its proper divisors (6513799).

75220601 is a wasteful number, since it uses less digits than its factorization.

75220601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127759.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75220601 is about 8672.9810907208. The cubic root of 75220601 is about 422.1293992343.

Adding to 75220601 its reverse (10602257), we get a palindrome (85822858).

The spelling of 75220601 in words is "seventy-five million, two hundred twenty thousand, six hundred one".