7072542 has 16 divisors (see below), whose sum is σ = 15716880. Its totient is φ = 2357496.

The previous prime is 7072537. The next prime is 7072543. The reversal of 7072542 is 2452707.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65433 + ... + 65540.

It is an arithmetic number, because the mean of its divisors is an integer number (982305).

Almost surely, 2^7072542 is an apocalyptic number.

7072542 is an abundant number, since it is smaller than the sum of its proper divisors (8644338).

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

7072542 is a wasteful number, since it uses less digits than its factorization.

7072542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130984 (or 130978 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7072542 is about 2659.4251258496. The cubic root of 7072542 is about 191.9516479806.

It can be divided in two parts, 707 and 2542, that added together give a square (3249 = 57²).

The spelling of 7072542 in words is "seven million, seventy-two thousand, five hundred forty-two".