745672378 has 8 divisors (see below), whose sum is σ = 1220191200. Its totient is φ = 338941980.

The previous prime is 745672363. The next prime is 745672391. The reversal of 745672378 is 873276547.

It is a happy number.

745672378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16947078 + ... + 16947121.

It is an arithmetic number, because the mean of its divisors is an integer number (152523900).

Almost surely, 2^745672378 is an apocalyptic number.

745672378 is a deficient number, since it is larger than the sum of its proper divisors (474518822).

745672378 is a wasteful number, since it uses less digits than its factorization.

745672378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33894212.

The product of its digits is 1975680, while the sum is 49.

The square root of 745672378 is about 27307.0023620316. The cubic root of 745672378 is about 906.8094108864.

The spelling of 745672378 in words is "seven hundred forty-five million, six hundred seventy-two thousand, three hundred seventy-eight".