745532378 has 8 divisors (see below), whose sum is σ = 1137252960. Its totient is φ = 366448060.

The previous prime is 745532371. The next prime is 745532387. The reversal of 745532378 is 873235547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (745532371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158918 + ... + 3159153.

It is an arithmetic number, because the mean of its divisors is an integer number (142156620).

Almost surely, 2^745532378 is an apocalyptic number.

745532378 is a deficient number, since it is larger than the sum of its proper divisors (391720582).

745532378 is a wasteful number, since it uses less digits than its factorization.

745532378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318132.

The product of its digits is 705600, while the sum is 44.

The square root of 745532378 is about 27304.4387966499. The cubic root of 745532378 is about 906.7526561742.

The spelling of 745532378 in words is "seven hundred forty-five million, five hundred thirty-two thousand, three hundred seventy-eight".