7142631 has 4 divisors (see below), whose sum is σ = 9523512. Its totient is φ = 4761752.

The previous prime is 7142623. The next prime is 7142633. The reversal of 7142631 is 1362417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7142631 - 2³ = 7142623 is a prime.

It is a super-2 number, since 2×7142631² = 102034355204322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190436 + ... + 1190441.

It is an arithmetic number, because the mean of its divisors is an integer number (2380878).

Almost surely, 2^7142631 is an apocalyptic number.

7142631 is a deficient number, since it is larger than the sum of its proper divisors (2380881).

7142631 is a wasteful number, since it uses less digits than its factorization.

7142631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380880.

The product of its digits is 1008, while the sum is 24.

The square root of 7142631 is about 2672.5701113348. The cubic root of 7142631 is about 192.5836461131.

The spelling of 7142631 in words is "seven million, one hundred forty-two thousand, six hundred thirty-one".