749300544 has 70 divisors (see below), whose sum is σ = 2221176914. Its totient is φ = 249765120.

The previous prime is 749300537. The next prime is 749300561. The reversal of 749300544 is 445003947.

It can be written as a sum of positive squares in only one way, i.e., 744634944 + 4665600 = 27288^2 + 2160^2 .

It is a super-2 number, since 2×749300544² = 1122902610477391872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 749300499 and 749300508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67087 + ... + 77454.

Almost surely, 2^749300544 is an apocalyptic number.

It is an amenable number.

749300544 is an abundant number, since it is smaller than the sum of its proper divisors (1471876370).

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

749300544 is a wasteful number, since it uses less digits than its factorization.

749300544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144565 (or 144546 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 749300544 is about 27373.3546354845. The cubic root of 749300544 is about 908.2777650339.

The spelling of 749300544 in words is "seven hundred forty-nine million, three hundred thousand, five hundred forty-four".