745468120571 has 4 divisors (see below), whose sum is σ = 747579928632. Its totient is φ = 743356312512.

The previous prime is 745468120519. The next prime is 745468120669. The reversal of 745468120571 is 175021864547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175021864547 = 72763 ⋅2405369.

It is a cyclic number.

It is not a de Polignac number, because 745468120571 - 2²² = 745463926267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745468180571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055903501 + ... + 1055904206.

It is an arithmetic number, because the mean of its divisors is an integer number (186894982158).

Almost surely, 2^745468120571 is an apocalyptic number.

745468120571 is a deficient number, since it is larger than the sum of its proper divisors (2111808061).

745468120571 is a wasteful number, since it uses less digits than its factorization.

745468120571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111808060.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 745468120571 in words is "seven hundred forty-five billion, four hundred sixty-eight million, one hundred twenty thousand, five hundred seventy-one".