7042536 has 24 divisors (see below), whose sum is σ = 19073730. Its totient is φ = 2347488.

The previous prime is 7042523. The next prime is 7042579. The reversal of 7042536 is 6352407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 1425636 = 2370^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×7042536² = 99194626622592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48835 + ... + 48978.

Almost surely, 2^7042536 is an apocalyptic number.

It is an amenable number.

7042536 is an abundant number, since it is smaller than the sum of its proper divisors (12031194).

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

7042536 is a wasteful number, since it uses less digits than its factorization.

7042536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97825 (or 97818 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7042536 is about 2653.7776847355. Note that the first 3 decimals coincide. The cubic root of 7042536 is about 191.6798048545.

It can be divided in two parts, 704 and 2536, that added together give a triangular number (3240 = T₈₀).

The spelling of 7042536 in words is "seven million, forty-two thousand, five hundred thirty-six".