745405878 has 16 divisors (see below), whose sum is σ = 1703784960. Its totient is φ = 212973096.

The previous prime is 745405877. The next prime is 745405901. The reversal of 745405878 is 878504547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745405877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8873838 + ... + 8873921.

It is an arithmetic number, because the mean of its divisors is an integer number (106486560).

Almost surely, 2^745405878 is an apocalyptic number.

745405878 is an abundant number, since it is smaller than the sum of its proper divisors (958379082).

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

745405878 is a wasteful number, since it uses less digits than its factorization.

745405878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747771.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 745405878 is about 27302.1222252044. The cubic root of 745405878 is about 906.7013681271.

The spelling of 745405878 in words is "seven hundred forty-five million, four hundred five thousand, eight hundred seventy-eight".