747001378 has 16 divisors (see below), whose sum is σ = 1180059840. Its totient is φ = 353667600.

The previous prime is 747001373. The next prime is 747001417. The reversal of 747001378 is 873100747.

It is a super-2 number, since 2×747001378² = 1116022117467797768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747001373) 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, 105283 + ... + 112153.

It is an arithmetic number, because the mean of its divisors is an integer number (73753740).

Almost surely, 2^747001378 is an apocalyptic number.

747001378 is a deficient number, since it is larger than the sum of its proper divisors (433058462).

747001378 is a wasteful number, since it uses less digits than its factorization.

747001378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 747001378 is about 27331.3259466130. The cubic root of 747001378 is about 907.3478218014.

The spelling of 747001378 in words is "seven hundred forty-seven million, one thousand, three hundred seventy-eight".