7542772457 has 8 divisors (see below), whose sum is σ = 8229107520. Its totient is φ = 6856542160.

The previous prime is 7542772441. The next prime is 7542772469.

7542772457 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7542772457 - 2⁴ = 7542772441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7542772157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274919 + ... + 301107.

It is an arithmetic number, because the mean of its divisors is an integer number (1028638440).

Almost surely, 2^7542772457 is an apocalyptic number.

It is an amenable number.

7542772457 is a deficient number, since it is larger than the sum of its proper divisors (686335063).

7542772457 is a wasteful number, since it uses less digits than its factorization.

7542772457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52383.

The product of its digits is 3841600, while the sum is 50.

The square root of 7542772457 is about 86849.1361902926. The cubic root of 7542772457 is about 1961.1478471016.

The spelling of 7542772457 in words is "seven billion, five hundred forty-two million, seven hundred seventy-two thousand, four hundred fifty-seven".