745372377753 has 4 divisors (see below), whose sum is σ = 993829837008. Its totient is φ = 496914918500.

The previous prime is 745372377751. The next prime is 745372377787. The reversal of 745372377753 is 357773273547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357773273547 = 3 ⋅119257757849.

It is a cyclic number.

It is not a de Polignac number, because 745372377753 - 2¹ = 745372377751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745372377751) 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, 124228729623 + ... + 124228729628.

It is an arithmetic number, because the mean of its divisors is an integer number (248457459252).

Almost surely, 2^745372377753 is an apocalyptic number.

It is an amenable number.

745372377753 is a deficient number, since it is larger than the sum of its proper divisors (248457459255).

745372377753 is a wasteful number, since it uses less digits than its factorization.

745372377753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248457459254.

The product of its digits is 90757800, while the sum is 60.

The spelling of 745372377753 in words is "seven hundred forty-five billion, three hundred seventy-two million, three hundred seventy-seven thousand, seven hundred fifty-three".