7270442 has 4 divisors (see below), whose sum is σ = 10905666. Its totient is φ = 3635220.

The previous prime is 7270421. The next prime is 7270447. The reversal of 7270442 is 2440727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440727 = 29 ⋅84163.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 358801 = 2629^2 + 599^2 .

It is not an unprimeable number, because it can be changed into a prime (7270447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817609 + ... + 1817612.

Almost surely, 2^7270442 is an apocalyptic number.

7270442 is a deficient number, since it is larger than the sum of its proper divisors (3635224).

7270442 is a wasteful number, since it uses less digits than its factorization.

7270442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635223.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7270442 is about 2696.3757156598. The cubic root of 7270442 is about 193.7255658400.

The spelling of 7270442 in words is "seven million, two hundred seventy thousand, four hundred forty-two".