749496143 has 6 divisors (see below), whose sum is σ = 823826472. Its totient is φ = 681360020.

The previous prime is 749496109. The next prime is 749496191. The reversal of 749496143 is 341694947.

It is not a de Polignac number, because 749496143 - 2¹² = 749492047 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749496043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3096971 + ... + 3097212.

It is an arithmetic number, because the mean of its divisors is an integer number (137304412).

Almost surely, 2^749496143 is an apocalyptic number.

749496143 is a deficient number, since it is larger than the sum of its proper divisors (74330329).

749496143 is a wasteful number, since it uses less digits than its factorization.

749496143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194205 (or 6194194 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 749496143 is about 27376.9272015688. The cubic root of 749496143 is about 908.3567910747.

The spelling of 749496143 in words is "seven hundred forty-nine million, four hundred ninety-six thousand, one hundred forty-three".