7825742 has 8 divisors (see below), whose sum is σ = 12011736. Its totient is φ = 3821832.

The previous prime is 7825723. The next prime is 7825747. The reversal of 7825742 is 2475287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7825742² = 122484475701128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825747) 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, 45413 + ... + 45584.

It is an arithmetic number, because the mean of its divisors is an integer number (1501467).

Almost surely, 2^7825742 is an apocalyptic number.

7825742 is a deficient number, since it is larger than the sum of its proper divisors (4185994).

7825742 is a wasteful number, since it uses less digits than its factorization.

7825742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91042.

The product of its digits is 31360, while the sum is 35.

The square root of 7825742 is about 2797.4527699320. The cubic root of 7825742 is about 198.5371768270.

The spelling of 7825742 in words is "seven million, eight hundred twenty-five thousand, seven hundred forty-two".