7542748472457 has 64 divisors (see below), whose sum is σ = 11535555225600. Its totient is φ = 4339343923200.

The previous prime is 7542748472429. The next prime is 7542748472461.

7542748472457 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7542748472457 - 2¹⁴ = 7542748456073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7542748402457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96602169 + ... + 96680217.

It is an arithmetic number, because the mean of its divisors is an integer number (180243050400).

Almost surely, 2^{7542748472457} is an apocalyptic number.

It is an amenable number.

7542748472457 is a deficient number, since it is larger than the sum of its proper divisors (3992806753143).

7542748472457 is a wasteful number, since it uses less digits than its factorization.

7542748472457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79054.

The product of its digits is 491724800, while the sum is 66.

The spelling of 7542748472457 in words is "seven trillion, five hundred forty-two billion, seven hundred forty-eight million, four hundred seventy-two thousand, four hundred fifty-seven".