7132457 has 4 divisors (see below), whose sum is σ = 7137936. Its totient is φ = 7126980.

The previous prime is 7132427. The next prime is 7132459. The reversal of 7132457 is 7542317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7132457 - 2⁶ = 7132393 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 1 + 3⁹ + 2¹⁹ + 4² + 5³ + 7⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7132459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (1784484).

Almost surely, 2^7132457 is an apocalyptic number.

It is an amenable number.

7132457 is a deficient number, since it is larger than the sum of its proper divisors (5479).

7132457 is a wasteful number, since it uses less digits than its factorization.

7132457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its digits is 5880, while the sum is 29.

The square root of 7132457 is about 2670.6660218006. Note that the first 3 decimals coincide. The cubic root of 7132457 is about 192.4921636210.

The spelling of 7132457 in words is "seven million, one hundred thirty-two thousand, four hundred fifty-seven".