7445423634 has 64 divisors (see below), whose sum is σ = 16875492480. Its totient is φ = 2169216000.

The previous prime is 7445423599. The next prime is 7445423669. The reversal of 7445423634 is 4363245447.

It is an interprime number because it is at equal distance from previous prime (7445423599) and next prime (7445423669).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453204 + ... + 469344.

It is an arithmetic number, because the mean of its divisors is an integer number (263679570).

Almost surely, 2^7445423634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7445423634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437746240).

7445423634 is an abundant number, since it is smaller than the sum of its proper divisors (9430068846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7445423634 is a wasteful number, since it uses less digits than its factorization.

7445423634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427.

The product of its digits is 967680, while the sum is 42.

The square root of 7445423634 is about 86286.8682593128. The cubic root of 7445423634 is about 1952.6742736968.

The spelling of 7445423634 in words is "seven billion, four hundred forty-five million, four hundred twenty-three thousand, six hundred thirty-four".