754725729 has 8 divisors (see below), whose sum is σ = 1006448032. Its totient is φ = 503076960.

The previous prime is 754725691. The next prime is 754725737. The reversal of 754725729 is 927527457.

It is a happy number.

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

It is not a de Polignac number, because 754725729 - 2¹² = 754721633 is a prime.

It is a super-2 number, since 2×754725729² = 1139221852029162882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (754725779) 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, 13437 + ... + 41109.

It is an arithmetic number, because the mean of its divisors is an integer number (125806004).

Almost surely, 2^754725729 is an apocalyptic number.

It is an amenable number.

754725729 is a deficient number, since it is larger than the sum of its proper divisors (251722303).

754725729 is a wasteful number, since it uses less digits than its factorization.

754725729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36767.

The product of its digits is 1234800, while the sum is 48.

The square root of 754725729 is about 27472.2720028759. The cubic root of 754725729 is about 910.4645733962.

The spelling of 754725729 in words is "seven hundred fifty-four million, seven hundred twenty-five thousand, seven hundred twenty-nine".