75622564 has 6 divisors (see below), whose sum is σ = 132339494. Its totient is φ = 37811280.

The previous prime is 75622559. The next prime is 75622567. The reversal of 75622564 is 46522657.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 29246464 = 6810^2 + 5408^2 .

It is not an unprimeable number, because it can be changed into a prime (75622567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9452817 + ... + 9452824.

Almost surely, 2^75622564 is an apocalyptic number.

It is an amenable number.

75622564 is a deficient number, since it is larger than the sum of its proper divisors (56716930).

75622564 is a wasteful number, since it uses less digits than its factorization.

75622564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905645 (or 18905643 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 75622564 is about 8696.1235041828. The cubic root of 75622564 is about 422.8799872654.

The spelling of 75622564 in words is "seventy-five million, six hundred twenty-two thousand, five hundred sixty-four".