745235402 has 8 divisors (see below), whose sum is σ = 1118067300. Its totient is φ = 372546304.

The previous prime is 745235399. The next prime is 745235411. The reversal of 745235402 is 204532547.

It is a Cunningham number, because it is equal to 27299²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 745235401 + 1 = 27299^2 + 1^2 .

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, 21527 + ... + 44202.

Almost surely, 2^745235402 is an apocalyptic number.

745235402 is a deficient number, since it is larger than the sum of its proper divisors (372831898).

745235402 is a wasteful number, since it uses less digits than its factorization.

745235402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71400.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 745235402 is about 27299.0000183157. Note that the first 4 decimals coincide. The cubic root of 745235402 is about 906.6322413099.

Adding to 745235402 its reverse (204532547), we get a palindrome (949767949).

The spelling of 745235402 in words is "seven hundred forty-five million, two hundred thirty-five thousand, four hundred two".