7142346 has 36 divisors (see below), whose sum is σ = 16450902. Its totient is φ = 2239104.

The previous prime is 7142341. The next prime is 7142371. The reversal of 7142346 is 6432417.

It can be written as a sum of positive squares in 3 ways, for example, as 6734025 + 408321 = 2595^2 + 639^2 .

It is a super-4 number, since 4×7142346⁴ (a number of 29 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7142341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4516 + ... + 5888.

Almost surely, 2^7142346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8225451).

7142346 is an abundant number, since it is smaller than the sum of its proper divisors (9308556).

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

7142346 is a wasteful number, since it uses less digits than its factorization.

7142346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1395 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 7142346 is about 2672.5167913411. The cubic root of 7142346 is about 192.5810846355.

The spelling of 7142346 in words is "seven million, one hundred forty-two thousand, three hundred forty-six".