7278042 has 8 divisors (see below), whose sum is σ = 14556096. Its totient is φ = 2426012.

The previous prime is 7278041. The next prime is 7278053. The reversal of 7278042 is 2408727.

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

7278042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7278041) 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, 606498 + ... + 606509.

It is an arithmetic number, because the mean of its divisors is an integer number (1819512).

Almost surely, 2^7278042 is an apocalyptic number.

7278042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7278042 is a wasteful number, since it uses less digits than its factorization.

7278042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213012.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7278042 is about 2697.7846467055. The cubic root of 7278042 is about 193.7930446159.

The spelling of 7278042 in words is "seven million, two hundred seventy-eight thousand, forty-two".