745408786 has 8 divisors (see below), whose sum is σ = 1118466864. Its totient is φ = 372586500.

The previous prime is 745408757. The next prime is 745408789. The reversal of 745408786 is 687804547.

It is a happy number.

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 (745408789) 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, 50820 + ... + 63823.

It is an arithmetic number, because the mean of its divisors is an integer number (139808358).

Almost surely, 2^745408786 is an apocalyptic number.

745408786 is a deficient number, since it is larger than the sum of its proper divisors (373058078).

745408786 is a wasteful number, since it uses less digits than its factorization.

745408786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117896.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 745408786 is about 27302.1754810858. The cubic root of 745408786 is about 906.7025472092.

The spelling of 745408786 in words is "seven hundred forty-five million, four hundred eight thousand, seven hundred eighty-six".