7380457 has 8 divisors (see below), whose sum is σ = 8614656. Its totient is φ = 6191232.

The previous prime is 7380421. The next prime is 7380463. The reversal of 7380457 is 7540837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7380457 is a prime.

It is a super-2 number, since 2×7380457² = 108942291057698, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7380467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10888 + ... + 11545.

It is an arithmetic number, because the mean of its divisors is an integer number (1076832).

Almost surely, 2^7380457 is an apocalyptic number.

It is an amenable number.

7380457 is a deficient number, since it is larger than the sum of its proper divisors (1234199).

7380457 is a wasteful number, since it uses less digits than its factorization.

7380457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 7380457 is about 2716.6996521515. The cubic root of 7380457 is about 194.6978181809.

The spelling of 7380457 in words is "seven million, three hundred eighty thousand, four hundred fifty-seven".