7488157 has 4 divisors (see below), whose sum is σ = 7593696. Its totient is φ = 7382620.

The previous prime is 7488137. The next prime is 7488163. The reversal of 7488157 is 7518847.

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 an emirpimes, since its reverse is a distinct semiprime: 7518847 = 7 ⋅1074121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7488157 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7488127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52663 + ... + 52804.

It is an arithmetic number, because the mean of its divisors is an integer number (1898424).

Almost surely, 2^7488157 is an apocalyptic number.

It is an amenable number.

7488157 is a deficient number, since it is larger than the sum of its proper divisors (105539).

7488157 is a wasteful number, since it uses less digits than its factorization.

7488157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105538.

The product of its digits is 62720, while the sum is 40.

The square root of 7488157 is about 2736.4497071936. The cubic root of 7488157 is about 195.6402971635.

The spelling of 7488157 in words is "seven million, four hundred eighty-eight thousand, one hundred fifty-seven".