7407442 has 8 divisors (see below), whose sum is σ = 12698496. Its totient is φ = 3174612.

The previous prime is 7407431. The next prime is 7407443. The reversal of 7407442 is 2447047.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7407442.

It is not an unprimeable number, because it can be changed into a prime (7407443) 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, 264538 + ... + 264565.

It is an arithmetic number, because the mean of its divisors is an integer number (1587312).

Almost surely, 2^7407442 is an apocalyptic number.

7407442 is a deficient number, since it is larger than the sum of its proper divisors (5291054).

7407442 is a wasteful number, since it uses less digits than its factorization.

7407442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529112.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 7407442 is about 2721.6616248167. The cubic root of 7407442 is about 194.9348193284.

The spelling of 7407442 in words is "seven million, four hundred seven thousand, four hundred forty-two".