7442644 has 12 divisors (see below), whose sum is σ = 14208768. Its totient is φ = 3383000.

The previous prime is 7442627. The next prime is 7442653. The reversal of 7442644 is 4462447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84532 + ... + 84619.

It is an arithmetic number, because the mean of its divisors is an integer number (1184064).

Almost surely, 2^7442644 is an apocalyptic number.

It is an amenable number.

7442644 is a deficient number, since it is larger than the sum of its proper divisors (6766124).

7442644 is a wasteful number, since it uses less digits than its factorization.

7442644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169166 (or 169164 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 7442644 is about 2728.1209650600. The cubic root of 7442644 is about 195.2431243183.

It can be divided in two parts, 744 and 2644, that multiplied together give a triangular number (1967136 = T₁₉₈₃).

The spelling of 7442644 in words is "seven million, four hundred forty-two thousand, six hundred forty-four".