747146 has 8 divisors (see below), whose sum is σ = 1127520. Its totient is φ = 371308.

The previous prime is 747139. The next prime is 747157. The reversal of 747146 is 641747.

747146 = 244² + 245² + ... + 255².

It is a happy number.

747146 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, 686 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (140940).

2⁷⁴⁷¹⁴⁶ is an apocalyptic number.

747146 is a deficient number, since it is larger than the sum of its proper divisors (380374).

747146 is a wasteful number, since it uses less digits than its factorization.

747146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its digits is 4704, while the sum is 29.

The square root of 747146 is about 864.3760755597. The cubic root of 747146 is about 90.7406373228.

The spelling of 747146 in words is "seven hundred forty-seven thousand, one hundred forty-six".