749071753 has 4 divisors (see below), whose sum is σ = 749127940. Its totient is φ = 749015568.

The previous prime is 749071727. The next prime is 749071811. The reversal of 749071753 is 357170947.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 419758144 + 329313609 = 20488^2 + 18147^2 .

It is a cyclic number.

It is not a de Polignac number, because 749071753 - 2⁵ = 749071721 is a prime.

It is a super-2 number, since 2×749071753² = 1122216982284986018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749071703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543 + ... + 38971.

It is an arithmetic number, because the mean of its divisors is an integer number (187281985).

It is a 13332-hyperperfect number.

Almost surely, 2^749071753 is an apocalyptic number.

It is an amenable number.

749071753 is a deficient number, since it is larger than the sum of its proper divisors (56187).

749071753 is a wasteful number, since it uses less digits than its factorization.

749071753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56186.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 749071753 is about 27369.1752341937. The cubic root of 749071753 is about 908.1853112854.

The spelling of 749071753 in words is "seven hundred forty-nine million, seventy-one thousand, seven hundred fifty-three".