745072061 has 8 divisors (see below), whose sum is σ = 788353920. Its totient is φ = 702196992.

The previous prime is 745072037. The next prime is 745072067. The reversal of 745072061 is 160270547.

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

It is a cyclic number.

It is not a de Polignac number, because 745072061 - 2¹⁴ = 745055677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745072067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97925 + ... + 105258.

It is an arithmetic number, because the mean of its divisors is an integer number (98544240).

Almost surely, 2^745072061 is an apocalyptic number.

It is an amenable number.

745072061 is a deficient number, since it is larger than the sum of its proper divisors (43281859).

745072061 is a wasteful number, since it uses less digits than its factorization.

745072061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203395.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 745072061 is about 27296.0081513763. The cubic root of 745072061 is about 906.5659977949.

The spelling of 745072061 in words is "seven hundred forty-five million, seventy-two thousand, sixty-one".