745300749 has 8 divisors (see below), whose sum is σ = 993979552. Its totient is φ = 496744560.

The previous prime is 745300739. The next prime is 745300753. The reversal of 745300749 is 947003547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745300749 - 2⁴ = 745300733 is a prime.

It is a super-2 number, since 2×745300749² = 1110946412919922002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745300739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15382 + ... + 41559.

It is an arithmetic number, because the mean of its divisors is an integer number (124247444).

Almost surely, 2^745300749 is an apocalyptic number.

It is an amenable number.

745300749 is a deficient number, since it is larger than the sum of its proper divisors (248678803).

745300749 is a wasteful number, since it uses less digits than its factorization.

745300749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61307.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 745300749 is about 27300.1968674220. The cubic root of 745300749 is about 906.6587403040.

The spelling of 745300749 in words is "seven hundred forty-five million, three hundred thousand, seven hundred forty-nine".