7420572444 has 24 divisors (see below), whose sum is σ = 17782634128. Its totient is φ = 2406672000.

The previous prime is 7420572443. The next prime is 7420572451. The reversal of 7420572444 is 4442750247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420572443) 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, 8356057 + ... + 8356944.

Almost surely, 2^7420572444 is an apocalyptic number.

7420572444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7420572444 is an abundant number, since it is smaller than the sum of its proper divisors (10362061684).

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

7420572444 is a wasteful number, since it uses less digits than its factorization.

7420572444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713045 (or 16713043 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 39.

The square root of 7420572444 is about 86142.7445813053. The cubic root of 7420572444 is about 1950.4993193386.

The spelling of 7420572444 in words is "seven billion, four hundred twenty million, five hundred seventy-two thousand, four hundred forty-four".