7342945 has 16 divisors (see below), whose sum is σ = 9234000. Its totient is φ = 5598208.

The previous prime is 7342913. The next prime is 7342967. The reversal of 7342945 is 5492437.

7342945 = 108² + 109² + ... + 285².

It can be written as a sum of positive squares in 8 ways, for example, as 1157776 + 6185169 = 1076^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342945 - 2⁵ = 7342913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7342945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12621 + ... + 13189.

It is an arithmetic number, because the mean of its divisors is an integer number (577125).

Almost surely, 2^7342945 is an apocalyptic number.

It is an amenable number.

7342945 is a deficient number, since it is larger than the sum of its proper divisors (1891055).

7342945 is a wasteful number, since it uses less digits than its factorization.

7342945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its digits is 30240, while the sum is 34.

The square root of 7342945 is about 2709.7868919898. The cubic root of 7342945 is about 194.3673999227.

The spelling of 7342945 in words is "seven million, three hundred forty-two thousand, nine hundred forty-five".