745213013 has 8 divisors (see below), whose sum is σ = 751779840. Its totient is φ = 738657360.

The previous prime is 745213009. The next prime is 745213031. The reversal of 745213013 is 310312547.

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 745213013 - 2² = 745213009 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 (745213033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184823 + ... + 188811.

It is an arithmetic number, because the mean of its divisors is an integer number (93972480).

Almost surely, 2^745213013 is an apocalyptic number.

It is an amenable number.

745213013 is a deficient number, since it is larger than the sum of its proper divisors (6566827).

745213013 is a wasteful number, since it uses less digits than its factorization.

745213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 745213013 is about 27298.5899452701. The cubic root of 745213013 is about 906.6231619450.

The spelling of 745213013 in words is "seven hundred forty-five million, two hundred thirteen thousand, thirteen".