745494 has 8 divisors (see below), whose sum is σ = 1491000. Its totient is φ = 248496.

The previous prime is 745477. The next prime is 745517. The reversal of 745494 is 494547.

It is a happy number.

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

745494 is an admirable number.

It is a super-2 number, since 2×745494² = 1111522608072, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 9.

It is a congruent number.

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, 62119 + ... + 62130.

It is an arithmetic number, because the mean of its divisors is an integer number (186375).

2⁷⁴⁵⁴⁹⁴ is an apocalyptic number.

745494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

745494 is a wasteful number, since it uses less digits than its factorization.

745494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124254.

The product of its digits is 20160, while the sum is 33.

The square root of 745494 is about 863.4199441755. The cubic root of 745494 is about 90.6737096845.

The spelling of 745494 in words is "seven hundred forty-five thousand, four hundred ninety-four".