75601664 has 18 divisors (see below), whose sum is σ = 150908520. Its totient is φ = 37800704.

The previous prime is 75601651. The next prime is 75601679. The reversal of 75601664 is 46610657.

It is a super-2 number, since 2×75601664² = 11431223199137792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147404 + ... + 147915.

Almost surely, 2^75601664 is an apocalyptic number.

It is an amenable number.

75601664 is a deficient number, since it is larger than the sum of its proper divisors (75306856).

75601664 is an equidigital number, since it uses as much as digits as its factorization.

75601664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295335 (or 295321 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 75601664 is about 8694.9217362780. The cubic root of 75601664 is about 422.8410262041.

The spelling of 75601664 in words is "seventy-five million, six hundred one thousand, six hundred sixty-four".