7257045 has 32 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 3599360.

The previous prime is 7257043. The next prime is 7257073. The reversal of 7257045 is 5407527.

It is not a de Polignac number, because 7257045 - 2¹ = 7257043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7257043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37900 + ... + 38090.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^7257045 is an apocalyptic number.

It is an amenable number.

7257045 is a deficient number, since it is larger than the sum of its proper divisors (5184555).

7257045 is a wasteful number, since it uses less digits than its factorization.

7257045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 7257045 is about 2693.8903095709. The cubic root of 7257045 is about 193.6065021409.

The spelling of 7257045 in words is "seven million, two hundred fifty-seven thousand, forty-five".