749315604 has 12 divisors (see below), whose sum is σ = 1748403104. Its totient is φ = 249771864.

The previous prime is 749315599. The next prime is 749315687. The reversal of 749315604 is 406513947.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×749315604² = 1122947748795769632, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 31221472 + ... + 31221495.

Almost surely, 2^749315604 is an apocalyptic number.

It is an amenable number.

749315604 is an abundant number, since it is smaller than the sum of its proper divisors (999087500).

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

749315604 is a wasteful number, since it uses less digits than its factorization.

749315604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62442974 (or 62442972 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 749315604 is about 27373.6297191293. The cubic root of 749315604 is about 908.2838500739.

The spelling of 749315604 in words is "seven hundred forty-nine million, three hundred fifteen thousand, six hundred four".