7492742 has 8 divisors (see below), whose sum is σ = 11374776. Its totient is φ = 3701152.

The previous prime is 7492741. The next prime is 7492747. The reversal of 7492742 is 2472947.

It is a happy number.

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

It is a super-2 number, since 2×7492742² = 112282365357128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492741) 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, 22403 + ... + 22734.

It is an arithmetic number, because the mean of its divisors is an integer number (1421847).

Almost surely, 2^7492742 is an apocalyptic number.

7492742 is a deficient number, since it is larger than the sum of its proper divisors (3882034).

7492742 is a wasteful number, since it uses less digits than its factorization.

7492742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45222.

The product of its digits is 28224, while the sum is 35.

The square root of 7492742 is about 2737.2873433383. The cubic root of 7492742 is about 195.6802192139.

The spelling of 7492742 in words is "seven million, four hundred ninety-two thousand, seven hundred forty-two".