745724318 has 16 divisors (see below), whose sum is σ = 1172522736. Its totient is φ = 355306560.

The previous prime is 745724303. The next prime is 745724321. The reversal of 745724318 is 813427547.

It is a super-2 number, since 2×745724318² = 1112209516913130248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102221 + ... + 109272.

It is an arithmetic number, because the mean of its divisors is an integer number (73282671).

Almost surely, 2^745724318 is an apocalyptic number.

745724318 is a deficient number, since it is larger than the sum of its proper divisors (426798418).

745724318 is a wasteful number, since it uses less digits than its factorization.

745724318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211579.

The product of its digits is 188160, while the sum is 41.

The square root of 745724318 is about 27307.9533835841. The cubic root of 745724318 is about 906.8304650779.

The spelling of 745724318 in words is "seven hundred forty-five million, seven hundred twenty-four thousand, three hundred eighteen".