7542057 has 4 divisors (see below), whose sum is σ = 10056080. Its totient is φ = 5028036.

The previous prime is 7542053. The next prime is 7542077. The reversal of 7542057 is 7502457.

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.

It is not a de Polignac number, because 7542057 - 2² = 7542053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7542053) 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, 1257007 + ... + 1257012.

It is an arithmetic number, because the mean of its divisors is an integer number (2514020).

Almost surely, 2^7542057 is an apocalyptic number.

It is an amenable number.

7542057 is a deficient number, since it is larger than the sum of its proper divisors (2514023).

7542057 is a wasteful number, since it uses less digits than its factorization.

7542057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514022.

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

The square root of 7542057 is about 2746.2805756150. The cubic root of 7542057 is about 196.1085838014.

The spelling of 7542057 in words is "seven million, five hundred forty-two thousand, fifty-seven".