747378 has 12 divisors (see below), whose sum is σ = 1619358. Its totient is φ = 249120.

The previous prime is 747377. The next prime is 747391. The reversal of 747378 is 873747.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 514089 + 233289 = 717^2 + 483^2 .

It is not an unprimeable number, because it can be changed into a prime (747377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20743 + ... + 20778.

2⁷⁴⁷³⁷⁸ is an apocalyptic number.

747378 is an abundant number, since it is smaller than the sum of its proper divisors (871980).

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

747378 is a wasteful number, since it uses less digits than its factorization.

747378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41529 (or 41526 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 747378 is about 864.5102659888. The cubic root of 747378 is about 90.7500284589.

The spelling of 747378 in words is "seven hundred forty-seven thousand, three hundred seventy-eight".