749128053 has 8 divisors (see below), whose sum is σ = 1003017600. Its totient is φ = 497328608.

The previous prime is 749128033. The next prime is 749128091. The reversal of 749128053 is 350821947.

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 749128053 - 2⁵ = 749128021 is a prime.

It is a super-2 number, since 2×749128053² = 1122385679583141618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749128033) 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, 521688 + ... + 523121.

It is an arithmetic number, because the mean of its divisors is an integer number (125377200).

Almost surely, 2^749128053 is an apocalyptic number.

It is an amenable number.

749128053 is a deficient number, since it is larger than the sum of its proper divisors (253889547).

749128053 is a wasteful number, since it uses less digits than its factorization.

749128053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045051.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 749128053 is about 27370.2037442179. The cubic root of 749128053 is about 908.2080636905.

The spelling of 749128053 in words is "seven hundred forty-nine million, one hundred twenty-eight thousand, fifty-three".