749613550 has 24 divisors (see below), whose sum is σ = 1593464976. Its totient is φ = 257010240.

The previous prime is 749613533. The next prime is 749613559. The reversal of 749613550 is 55316947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749613559) 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 11 ways as a sum of consecutive naturals, for example, 1070527 + ... + 1071226.

It is an arithmetic number, because the mean of its divisors is an integer number (66394374).

Almost surely, 2^749613550 is an apocalyptic number.

749613550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

749613550 is an abundant number, since it is smaller than the sum of its proper divisors (843851426).

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

749613550 is a wasteful number, since it uses less digits than its factorization.

749613550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141772 (or 2141767 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 749613550 is about 27379.0713867363. The cubic root of 749613550 is about 908.4042193274.

The spelling of 749613550 in words is "seven hundred forty-nine million, six hundred thirteen thousand, five hundred fifty".