745724344 has 64 divisors (see below), whose sum is σ = 1493856000. Its totient is φ = 348364800.

The previous prime is 745724339. The next prime is 745724347. The reversal of 745724344 is 443427547.

It is a super-2 number, since 2×745724344² = 1112209594468460672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745724297 and 745724306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745724347) 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, 1660632 + ... + 1661080.

It is an arithmetic number, because the mean of its divisors is an integer number (23341500).

Almost surely, 2^745724344 is an apocalyptic number.

745724344 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

745724344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

745724344 is a wasteful number, since it uses less digits than its factorization.

745724344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its digits is 376320, while the sum is 40.

The square root of 745724344 is about 27307.9538596358. The cubic root of 745724344 is about 906.8304756169.

The spelling of 745724344 in words is "seven hundred forty-five million, seven hundred twenty-four thousand, three hundred forty-four".