754149822724 has 9 divisors (see below), whose sum is σ = 1319765229237. Its totient is φ = 377074042944.

The previous prime is 754149822707. The next prime is 754149822731. The reversal of 754149822724 is 427228941457.

It is a happy number.

The square root of 754149822724 is 868418.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 718564773124 + 35585049600 = 847682^2 + 188640^2 .

It is a super-2 number, since 2×754149822724² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1519732 + ... + 1953940.

Almost surely, 2^754149822724 is an apocalyptic number.

754149822724 is the 868418-th square number.

It is an amenable number.

754149822724 is a deficient number, since it is larger than the sum of its proper divisors (565615406513).

754149822724 is an frugal number, since it uses more digits than its factorization.

754149822724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868422 (or 434211 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 754149822724 in words is "seven hundred fifty-four billion, one hundred forty-nine million, eight hundred twenty-two thousand, seven hundred twenty-four".