745311424 has 224 divisors, whose sum is σ = 1868009472. Its totient is φ = 290304000.

The previous prime is 745311419. The next prime is 745311449. The reversal of 745311424 is 424113547.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10497309 + ... + 10497379.

It is an arithmetic number, because the mean of its divisors is an integer number (8339328).

Almost surely, 2^745311424 is an apocalyptic number.

745311424 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745311424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934004736).

745311424 is an abundant number, since it is smaller than the sum of its proper divisors (1122698048).

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

745311424 is a wasteful number, since it uses less digits than its factorization.

745311424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 165 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 745311424 is about 27300.3923781326. The cubic root of 745311424 is about 906.6630689976.

The spelling of 745311424 in words is "seven hundred forty-five million, three hundred eleven thousand, four hundred twenty-four".