745137326 has 32 divisors (see below), whose sum is σ = 1200057120. Its totient is φ = 345945600.

The previous prime is 745137317. The next prime is 745137343. The reversal of 745137326 is 623731547.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 745137326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207370 + ... + 1207986.

It is an arithmetic number, because the mean of its divisors is an integer number (37501785).

Almost surely, 2^745137326 is an apocalyptic number.

745137326 is a deficient number, since it is larger than the sum of its proper divisors (454919794).

745137326 is a wasteful number, since it uses less digits than its factorization.

745137326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 105840, while the sum is 38.

The square root of 745137326 is about 27297.2036296761. The cubic root of 745137326 is about 906.5924674056.

The spelling of 745137326 in words is "seven hundred forty-five million, one hundred thirty-seven thousand, three hundred twenty-six".