752224661 has 8 divisors (see below), whose sum is σ = 756179424. Its totient is φ = 748278000.

The previous prime is 752224633. The next prime is 752224691. The reversal of 752224661 is 166422257.

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

It is a cyclic number.

It is not a de Polignac number, because 752224661 - 2²⁶ = 685115797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752224691) 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, 279026 + ... + 281708.

It is an arithmetic number, because the mean of its divisors is an integer number (94522428).

Almost surely, 2^752224661 is an apocalyptic number.

It is an amenable number.

752224661 is a deficient number, since it is larger than the sum of its proper divisors (3954763).

752224661 is a wasteful number, since it uses less digits than its factorization.

752224661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051.

The product of its digits is 40320, while the sum is 35.

The square root of 752224661 is about 27426.7143675651. The cubic root of 752224661 is about 909.4577379576.

The spelling of 752224661 in words is "seven hundred fifty-two million, two hundred twenty-four thousand, six hundred sixty-one".