745207430 has 32 divisors (see below), whose sum is σ = 1471530240. Its totient is φ = 269463520.

The previous prime is 745207399. The next prime is 745207451. The reversal of 745207430 is 34702547.

It is a super-2 number, since 2×745207430² = 1110668227454409800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (45985320).

Almost surely, 2^745207430 is an apocalyptic number.

745207430 is a deficient number, since it is larger than the sum of its proper divisors (726322810).

745207430 is a wasteful number, since it uses less digits than its factorization.

745207430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38044.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 745207430 is about 27298.4876870496. The cubic root of 745207430 is about 906.6208978542.

Adding to 745207430 its reverse (34702547), we get a palindrome (779909977).

The spelling of 745207430 in words is "seven hundred forty-five million, two hundred seven thousand, four hundred thirty".