7442857632 has 48 divisors (see below), whose sum is σ = 22328574912. Its totient is φ = 2126530560.

The previous prime is 7442857621. The next prime is 7442857637. The reversal of 7442857632 is 2367582447.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×7442857632² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7442857637) 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, 5537169 + ... + 5538512.

It is an arithmetic number, because the mean of its divisors is an integer number (465178644).

Almost surely, 2^7442857632 is an apocalyptic number.

It is an amenable number.

7442857632 is an abundant number, since it is smaller than the sum of its proper divisors (14885717280).

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

7442857632 is a wasteful number, since it uses less digits than its factorization.

7442857632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075701 (or 11075693 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The square root of 7442857632 is about 86271.9979599406. The cubic root of 7442857632 is about 1952.4499237218.

The spelling of 7442857632 in words is "seven billion, four hundred forty-two million, eight hundred fifty-seven thousand, six hundred thirty-two".