7444872 has 40 divisors (see below), whose sum is σ = 20854350. Its totient is φ = 2481408.

The previous prime is 7444859. The next prime is 7444873. The reversal of 7444872 is 2784447.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 443556 = 2646^2 + 666^2 .

It is a super-2 number, since 2×7444872² = 110852238192768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7444873) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5097 + ... + 6392.

Almost surely, 2^7444872 is an apocalyptic number.

7444872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7444872 is an abundant number, since it is smaller than the sum of its proper divisors (13409478).

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

7444872 is a wasteful number, since it uses less digits than its factorization.

7444872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507 (or 11494 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 7444872 is about 2728.5292741695. The cubic root of 7444872 is about 195.2626047736.

The spelling of 7444872 in words is "seven million, four hundred forty-four thousand, eight hundred seventy-two".