745430061 has 16 divisors (see below), whose sum is σ = 1050997248. Its totient is φ = 469190400.

The previous prime is 745430053. The next prime is 745430071. The reversal of 745430061 is 160034547.

It is not a de Polignac number, because 745430061 - 2³ = 745430053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745430071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93936 + ... + 101561.

It is an arithmetic number, because the mean of its divisors is an integer number (65687328).

Almost surely, 2^745430061 is an apocalyptic number.

It is an amenable number.

745430061 is a deficient number, since it is larger than the sum of its proper divisors (305567187).

745430061 is a wasteful number, since it uses less digits than its factorization.

745430061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195572.

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

The square root of 745430061 is about 27302.5650992723. The cubic root of 745430061 is about 906.7111733096.

The spelling of 745430061 in words is "seven hundred forty-five million, four hundred thirty thousand, sixty-one".