7078442 has 12 divisors (see below), whose sum is σ = 12351330. Its totient is φ = 3033576.

The previous prime is 7078439. The next prime is 7078471. The reversal of 7078442 is 2448707.

It can be written as a sum of positive squares in only one way, i.e., 6817321 + 261121 = 2611^2 + 511^2 .

It is a super-2 number, since 2×7078442² = 100208682294728, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁴ + 0 + 7⁸ + 8 + 4⁹ + 4¹⁰ + 2⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 7078399 and 7078408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36017 + ... + 36212.

Almost surely, 2^7078442 is an apocalyptic number.

7078442 is a deficient number, since it is larger than the sum of its proper divisors (5272888).

7078442 is a wasteful number, since it uses less digits than its factorization.

7078442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72245 (or 72238 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 7078442 is about 2660.5341568941. The cubic root of 7078442 is about 192.0050092732.

The spelling of 7078442 in words is "seven million, seventy-eight thousand, four hundred forty-two".