745612230 has 64 divisors (see below), whose sum is σ = 1993724928. Its totient is φ = 176904960.

The previous prime is 745612223. The next prime is 745612253. The reversal of 745612230 is 32216547.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8527 + ... + 39546.

It is an arithmetic number, because the mean of its divisors is an integer number (31151952).

Almost surely, 2^745612230 is an apocalyptic number.

745612230 is an abundant number, since it is smaller than the sum of its proper divisors (1248112698).

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

745612230 is a wasteful number, since it uses less digits than its factorization.

745612230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48141.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 745612230 is about 27305.9010105874. The cubic root of 745612230 is about 906.7850283109.

Adding to 745612230 its reverse (32216547), we get a palindrome (777828777).

The spelling of 745612230 in words is "seven hundred forty-five million, six hundred twelve thousand, two hundred thirty".