749301865 has 16 divisors (see below), whose sum is σ = 969041808. Its totient is φ = 552923136.

The previous prime is 749301859. The next prime is 749301869. The reversal of 749301865 is 568103947.

It can be written as a sum of positive squares in 8 ways, for example, as 29506624 + 719795241 = 5432^2 + 26829^2 .

It is a cyclic number.

It is not a de Polignac number, because 749301865 - 2¹³ = 749293673 is a prime.

It is a super-2 number, since 2×749301865² = 1122906569784956450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749301869) 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, 106909 + ... + 113701.

It is an arithmetic number, because the mean of its divisors is an integer number (60565113).

Almost surely, 2^749301865 is an apocalyptic number.

It is an amenable number.

749301865 is a deficient number, since it is larger than the sum of its proper divisors (219739943).

749301865 is a wasteful number, since it uses less digits than its factorization.

749301865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 749301865 is about 27373.3787647780. The cubic root of 749301865 is about 908.2782987913.

The spelling of 749301865 in words is "seven hundred forty-nine million, three hundred one thousand, eight hundred sixty-five".