745814790 has 480 divisors, whose sum is σ = 2621963520. Its totient is φ = 150885504.

The previous prime is 745814789. The next prime is 745814791. The reversal of 745814790 is 97418547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (745814789) and next prime (745814791).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745814791) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 17344509 + ... + 17344551.

It is an arithmetic number, because the mean of its divisors is an integer number (5462424).

Almost surely, 2^745814790 is an apocalyptic number.

745814790 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 745814790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310981760).

745814790 is an abundant number, since it is smaller than the sum of its proper divisors (1876148730).

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

745814790 is a wasteful number, since it uses less digits than its factorization.

745814790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 745814790 is about 27309.6098470850. The cubic root of 745814790 is about 906.8671361132.

The spelling of 745814790 in words is "seven hundred forty-five million, eight hundred fourteen thousand, seven hundred ninety".