745020030722531 has 8 divisors (see below), whose sum is σ = 761239269276480. Its totient is φ = 728816115024448.

The previous prime is 745020030722483. The next prime is 745020030722533. The reversal of 745020030722531 is 135227030020547.

745020030722531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 745020030722531 - 2³⁰ = 745018956980707 is a prime.

It is a super-2 number, since 2×745020030722531² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745020030722533) 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, 3830615666 + ... + 3830810151.

It is an arithmetic number, because the mean of its divisors is an integer number (95154908659560).

Almost surely, 2^{745020030722531} is an apocalyptic number.

745020030722531 is a deficient number, since it is larger than the sum of its proper divisors (16219238553949).

745020030722531 is a wasteful number, since it uses less digits than its factorization.

745020030722531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661427933.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 745020030722531 in words is "seven hundred forty-five trillion, twenty billion, thirty million, seven hundred twenty-two thousand, five hundred thirty-one".