745733878 has 4 divisors (see below), whose sum is σ = 1118600820. Its totient is φ = 372866938.

The previous prime is 745733873. The next prime is 745733921. The reversal of 745733878 is 878337547.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×745733878² = 1112238033593837768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745733873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186433468 + ... + 186433471.

It is an arithmetic number, because the mean of its divisors is an integer number (279650205).

Almost surely, 2^745733878 is an apocalyptic number.

745733878 is a deficient number, since it is larger than the sum of its proper divisors (372866942).

745733878 is a wasteful number, since it uses less digits than its factorization.

745733878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372866941.

The product of its digits is 3951360, while the sum is 52.

The square root of 745733878 is about 27308.1284236031. The cubic root of 745733878 is about 906.8343401749.

The spelling of 745733878 in words is "seven hundred forty-five million, seven hundred thirty-three thousand, eight hundred seventy-eight".