22762073745 has 24 divisors (see below), whose sum is σ = 39459911400. Its totient is φ = 12138034176.

The previous prime is 22762073731. The next prime is 22762073783. The reversal of 22762073745 is 54737026722.

22762073745 is a `hidden beast` number, since 2 + 2 + 76 + 207 + 374 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1599680016 + 21162393729 = 39996^2 + 145473^2 .

It is not a de Polignac number, because 22762073745 - 2⁵ = 22762073713 is a prime.

It is a super-2 number, since 2×22762073745² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22762073745.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320001 + ... + 384609.

It is an arithmetic number, because the mean of its divisors is an integer number (1644162975).

Almost surely, 2^22762073745 is an apocalyptic number.

It is an amenable number.

22762073745 is a deficient number, since it is larger than the sum of its proper divisors (16697837655).

22762073745 is a wasteful number, since it uses less digits than its factorization.

22762073745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72449 (or 72446 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 22762073745 in words is "twenty-two billion, seven hundred sixty-two million, seventy-three thousand, seven hundred forty-five".