749624436 has 48 divisors (see below), whose sum is σ = 2120153280. Its totient is φ = 227158560.

The previous prime is 749624419. The next prime is 749624437. The reversal of 749624436 is 634426947.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 749624391 and 749624400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749624437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314311 + ... + 316686.

It is an arithmetic number, because the mean of its divisors is an integer number (44169860).

Almost surely, 2^749624436 is an apocalyptic number.

It is an amenable number.

749624436 is an abundant number, since it is smaller than the sum of its proper divisors (1370528844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749624436 is a wasteful number, since it uses less digits than its factorization.

749624436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631021 (or 631013 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 749624436 is about 27379.2701874977. The cubic root of 749624436 is about 908.4086166334.

The spelling of 749624436 in words is "seven hundred forty-nine million, six hundred twenty-four thousand, four hundred thirty-six".