7700042 has 16 divisors (see below), whose sum is σ = 13398720. Its totient is φ = 3250368.

The previous prime is 7699981. The next prime is 7700071. The reversal of 7700042 is 2400077.

It is a junction number, because it is equal to n+sod(n) for n = 7699987 and 7700023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3167 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (837420).

Almost surely, 2^7700042 is an apocalyptic number.

7700042 is a deficient number, since it is larger than the sum of its proper divisors (5698678).

7700042 is a wasteful number, since it uses less digits than its factorization.

7700042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 7700042 is about 2774.8949529667. The cubic root of 7700042 is about 197.4684412535.

The spelling of 7700042 in words is "seven million, seven hundred thousand, forty-two".