745678426 has 8 divisors (see below), whose sum is σ = 1118826324. Its totient is φ = 372736320.

The previous prime is 745678411. The next prime is 745678441. The reversal of 745678426 is 624876547.

It is an interprime number because it is at equal distance from previous prime (745678411) and next prime (745678441).

It can be written as a sum of positive squares in 2 ways, for example, as 739894401 + 5784025 = 27201^2 + 2405^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 745678426.

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, 42045 + ... + 57088.

Almost surely, 2^745678426 is an apocalyptic number.

745678426 is a deficient number, since it is larger than the sum of its proper divisors (373147898).

745678426 is a wasteful number, since it uses less digits than its factorization.

745678426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102896.

The product of its digits is 2257920, while the sum is 49.

The square root of 745678426 is about 27307.1131026332. The cubic root of 745678426 is about 906.8118625298.

The spelling of 745678426 in words is "seven hundred forty-five million, six hundred seventy-eight thousand, four hundred twenty-six".